What events that occur in meiosis increase genetic diversity in sex cells? horizontal gene transfer somatic mutation independent assortment alternative splicing genetic recombination
Answers
Genetic recombination occur in meiosis increase genetic diversity in sex cells.
What is meiosis?A cell division process known as meiosis produces four daughter cells with half as many chromosomes as the parent cell. A different name for it is reductional division. Because only through meiosis can germ cells develop into sperm or eggs, it is essential for reproduction.
The division of the nucleus into four nuclei, each containing half the chromosomes, results in the production of reproductive cells in sexually reproducing organisms (leading to gametes in animals and spores in plants)
When a cell divides into two identical daughter cells, the process is known as mitosis (cell division). A single cell undergoes two divisions during meiosis to produce four cells with half the original genetic material.
To learn more about meiosis visit:
https://brainly.com/question/11622266
#SPJ4
Related Questions
1. If a heterozygous individual (Aa) were crossed with another heterozygous individual (Aa), what
is the chance that their offspring would have a heterozygous genotype?
A 0%
B. 50%
C. 75%
D. 100%
Answers
Answer:
B
Explanation:
The chance that their offspring would have a heterozygous genotype is 50%. The correct option is B.
What is a heterozygous individual?In terms of genetics, being heterozygous means having inherited various alleles (variations) of a certain genomic marker from each biological parent. A person who has two copies of a genetic marker is said to be heterozygous for that marker.
When two heterozygous people are crossed, the offspring's genotype and phenotypic ratios will be predictable.
A person who is heterozygous for a gene has two distinct alleles. In this scenario, there would be a 50% probability that the person would inherit one allele and a 50% chance that they would receive the other allele.
There is a 1/4 chance of having children that are heterozygous for both genes.
Therefore, the correct option is B. 50%.
To learn more about a heterozygous individual, refer to the link:
https://brainly.com/question/13050360
#SPJ2
in what ways are plants and animals dependent on eachother?
Answers
Answer:
Animals like herbivores and omnivores depend on plants for their food
Plants depend on animals
Plants also provide shelter for animals
They make oxygen for the animals to live.
When animals are dead the slowly decompose to form a natural manure
for the plants
Animals breath out carbon dioxide which is needed for plant for the process of photosynthesis
hope it helps <3
how does planting more plants impact the nitrogen cycle?? please can a bot not answer this its been happening so much lately
Answers
Answer:
Plant and animal wastes decompose, adding nitrogen to the soil. Bacteria in the soil convert those forms of nitrogen into forms plants can use. Plants use the nitrogen in the soil to grow. People and animals eat the plants; then animal and plant residues return nitrogen to the soil again, completing the cycle.
Lungs serve the purpose of gas exchange. We inhale air, drawing in oxygen (O2) and exhale air, expelling carbon dioxide (CO2). Both of these molecules are small and nonpolar, and therefore freely pass though membrane bilayers of cells in the lungs. Based on this information, the movement of O2 from the alveoli of the lungs into the bloodstream is an example of
Answers
The ___ revolution is responsible for much of the pollution the earth experiences today
Answers
The Industrial Revolution is responsible for much of the pollution the earth experiences today.
What is Industrial revolution?The Industrial Revolution was a period of rapid industrialization that took place in the 18th and 19th centuries, and it was characterized by the development of new technologies and methods of production that greatly increased the efficiency and output of industry. However, this period of rapid industrialization also led to the increased production of pollutants such as greenhouse gases, toxic chemicals, and solid waste, which have had negative impacts on the environment and human health.
The pollution caused by the Industrial Revolution continues to be a major problem today, and addressing this pollution is an important challenge for governments, businesses, and individuals around the world.
Learn more about industrial revolution, here:
https://brainly.com/question/855594
#SPJ4
immunodeficiens may result in an increasd risk of infectio nby normally harmless microorganism these infections are refrred to as
Answers
Immunodeficiency may result in an increased risk of infection by normally harmless microorganisms, and these infections are referred to as opportunistic infections.
The failure of the immune system to defend against pathogenic invasion, leading to the development of various infections, is known as immunodeficiency.
Immunodeficiency syndromes are a group of diseases in which the body's immune system is deficient or non-existent. As a result, the body is unable to protect itself from infections and other foreign invaders.
Types of Immunodeficiency are:
-Congenital (Primary) Immunodeficiency: This type of immunodeficiency is usually inherited and occurs in infants and young children. It may be present at birth, but it may not manifest until later.
-Acquired (Secondary) Immunodeficiency: This type of immunodeficiency is the most common, and it may occur as a result of a variety of factors.
Some of the most frequent causes of acquired immunodeficiency include: HIV (Human Immunodeficiency Virus): The virus attacks the immune system, causing it to weaken and break down. People with HIV are more susceptible to other infections and illnesses, such as cancer, as a result of their weakened immune system.
Chemotherapy: Chemotherapy, which is used to treat cancer, has the potential to damage the immune system, leaving patients vulnerable to infections.
Corticosteroid Therapy: Corticosteroid medications, which are used to treat a variety of diseases, can weaken the immune system and leave people vulnerable to infections, particularly when used for long periods of time.
Prolonged Stress: Stress has the potential to impair the immune system's ability to protect the body, leaving it vulnerable to infections and diseases.
To know more about Immunodeficiency, refer here:
https://brainly.com/question/14725384#
#SPJ11
7. Which of the following statements is incorrect?
1.Cytoplasm is also known as protoplasm
2.Lysosomes are known as the suicidal bags
3.Mitochondria has its own DNA
4.All the above are incorrect
Answers
36. In a population of butterflies, the bright yellow ones were easy for predators to spot than the light yellow ones. Two
generations later, each butterfly is light yellow. What is this an example of?
Answers
Answer: This is called natural selection.
Explanation:
Corn snakes show variety in their skin color pattern. While the complete genetics of corn
snake color are complex, the most common colors on normal corn snakes—red and
black— are each coded by one gene.
For the red gene, the allele for the presence of red pigment (R) is dominant and the allele
for the absence of red pigment (r) is recessive. Likewise, for the black gene, the allele for
the presence of black pigment (B) is dominant and the allele for the absence of black
pigment (b) is recessive.
a. Draw the Punnett square for the cross of a snake that is homozygous dominant for
the red color with a snake that is heterozygous for the red color. What percentage
of the offspring is expected to have red pigment in their skin?
b. Draw the Punnett square for the cross of two snakes that are heterozygous for the
black color. What percentage of the offspring are expected to have black pigment
in their skin?
c. The parent snakes in part (b) that are heterozygous for black color are both
homozygous recessive for the red gene. Each parent has genotype rr for the red
gene. Based on this information, what percentage of their offspring are expected
to lack both the red and black pigments in their skin? Explain your reasoning.
Answers
Answer:
a. Punnett square for the cross of a snake that is homozygous dominant for the red color (RR) with a snake that is heterozygous for the red color (Rr):
```
| R | R |
----------------
| RR | RR | RR |
----------------
| Rr | Rr | Rr |
```
In this cross, all the offspring (100%) will have the red pigment in their skin because the presence of red pigment (R) is dominant over its absence (r).
b. Punnett square for the cross of two snakes that are heterozygous for the black color (Bb):
```
| B | b |
----------------
| BB | BB | Bb |
----------------
| Bb | Bb | bb |
```
In this cross, 75% of the offspring are expected to have black pigment in their skin (BB and Bb genotypes), and 25% of the offspring are expected to lack black pigment (bb genotype) due to the absence of the dominant black allele (B).
c. Both parent snakes are homozygous recessive for the red gene (rr), meaning they lack the red pigment. Since the red gene and black gene are independent of each other, the absence of red pigment does not affect the inheritance of the black pigment. Therefore, the percentage of offspring expected to lack both red and black pigments in their skin would be the same as the percentage of offspring lacking the black pigment (bb genotype) in the Punnett square from part (b). Thus, 25% of their offspring are expected to lack both the red and black pigments in their skin.
Which of the following are homologous structures? A. The forelimb of a dog and the hindlimb of a cat
B. The mouth of a mosquito and the beak of a hummingbird
C. Wings of a butterfly and wings of a sparrow
D. The forelimb of a dog and the forelimb of a cat
Answers
Answer:
Explanation:
D. The forelimb of a dog and the forelimb of a cat
what are the functions of the vertebral column and braincase
Answers
Answer:
Explanation:
vertebral column: the vertebral column, also called the spinal column, spine, or backbone, in vertebrate animals, is the flexible column extending from neck to tail, made of a series of bones, the vertebrae. The major function of the vertebral column is the protection of the spinal cord; it also provides stiffening for the body and attachment for the pectoral and pelvic girdles and many muscles. In humans, an additional function is to transmit body weight in walking and standing.
braincase: It houses the brain and cranial nerves, and it partially or completely encloses some cephalic sense organs (e.g., inner ear, eyeball, olfactory region). Moreover, the braincase provides an area of attachment for the musculature of the jaw and neck, as well as the bony articulation of the neck itself.
to know more about the vertebral column and braincase click below link
https://brainly.com/question/32793884
The vertebral column provides axial support to the body and houses the spinal cord, while the braincase encloses and protects the brain. The functions of the vertebral column and braincase are given.
Functions of the Vertebral Column:The vertebral column performs the following functions:Provides protection: The vertebral column encases the spinal cord, which serves as the central nervous system conduit. It provides protection to the spinal cord, which is an essential part of the nervous system.Supports the upper body: The vertebral column helps to support the weight of the upper body. This weight-bearing role is crucial to the functioning of the lower back.
Supports the neck: The vertebral column serves as a support for the neck and the head. The neck is essential for movements of the head. Without a functioning neck, it would be impossible to move the head from side to side or up and down. Provides a flexible framework: The vertebral column provides a flexible framework that allows the body to bend and twist.
Learn more about vertebral Visit: brainly.com/question/18094930
#SPJ11
Write a paragraph (7-11 sentences) explaining how chemistry affects your everyday life
Answers
Answer:
Use this
Explanation:
Why Chemistry Is Important
Chemistry is important in everyday life because:
Everything is made of chemicals. You are made of chemicals. So is your dog. So is your desk. So is the sun. Drugs are chemicals. Food is made from chemicals.
Many of the changes you observe in the world around you are caused by chemical reactions. Examples include leaves changing colors, cooking food and getting yourself clean.
Knowing some chemistry can help you make day-to-day decisions that affect your life. Can I mix these household chemicals? What are safe mosquito repellents? Will my bottled water expire? Can I mix types of motor oils for my vehicle?
Understanding basic chemistry is essential for understanding the effects of chemicals on the environment. This information can be used to give plants the best nutrients to help them grow or to decide how to dispose of chemicals without poisoning the air or water supply.
Chemistry concepts are important in other disciplines. It's key to cooking, biology, physics, and astronomy.
Chemistry is fun! It can be used to make colors change, alter recipes, color flames, make things glow in the dark, or even make stuff explode. Many people study chemistry not because it's a requirement for a class but because they are interested in using it to explore the world and to try science projects. As hobbies go, chemistry is inexpensive because home chemicals can be used to perform many interesting experiments.
Recently, it was discovered that rare earth elements can be used to repel what type of animal? How do they do this?
Answers
Why do people think matter in conserved in cellular respiration
Answers
Hope that helps
According to ernest hilgard, hypnosis is the result of __________. a. accepted roleplay between hypnotist and subject b. suggestions accepted by the conscious mind c. entrance into a special state of consciousness d. the effects of a "hidden observer" in the unconscious please select the best answer from the choices provided a b c d
Answers
Give me a brilliant if I deserve it :)
According to ernest hilgard, hypnosis is the result of the effects of a "hidden observer" in the unconscious.
What is hypnosis?
Hypnosis is a human condition involving focused attention, reduced peripheral awareness, and an enhanced capacity to respond to suggestion. There are competing theories explaining hypnosis and related phenomena.
Moreover, it is also referred to as hypnotherapy or hypnotic suggestion, is a trance-like state in which you have heightened focus and concentration. Hypnosis is usually done with the help of a therapist using verbal repetition and mental images.
Therefore, option (D) is correct.
Learn more about hypnosis:
https://brainly.com/question/23482114
#SPJ5
What is a natural source of CO2
Answers
Answer:
venting volcanoes
Explanation:
People born with a high genetic risk for schizophrenia were ________ likely to develop schizophrenia if they were raised in a healthy family environment than if they were raised in a disturbed family environment.
A. less
B. genetics
C. negativesele
D. larger
Answers
People born with high genetic risk for schizophrenia were A. less likely to develop schizophrenia if they were raised in healthy family environment than if they were raised in disturbed family environment.
What is schizophrenia?Schizophrenia is a mental disorder where people interpret reality very abnormally. Schizophrenia can result in combination of hallucinations, delusions, and extremely disordered thinking and behavior that impairs daily functioning and people with schizophrenia require lifelong treatment.
The exact cause of schizophrenia is not known but combination of genetics, environment, and altered brain chemistry and structure may have a role. Schizophrenia is characterized by thoughts that seem out of touch with reality, disorganized speech or behavior.
To know more about Schizophrenia, refer
https://brainly.com/question/29579114
#SPJ1
3) Fill out the graphic organizer below based on the reading above.
Connective Tissues
Answers
Connective tissues consist of a ground substance, a non-living substance, and a matrix of living cells.
Tissue That Contains Fibers
In fibrous connective tissues, which have few cells or other forms of matrix, collagen fibers predominate. The fibers' strands can be arranged either randomly or in parallel. Fibrous connective tissues are distributed unevenly in areas of the body that are constantly under stress, such as the dermis of the skin
Cartilage
Cartilage is a type of connective tissue that has a substantial amount of matrix and various numbers of fibers. The chondrocyte cells produce the tissue's matrix and fibers. Lacunae, which are voids in the tissue, are where chondrocytes are found.
For more information about (Tissue)
Visit:
brainly.com/question/17664886
#SPJ1
digested fats are absorbed from the intestine by the lymph capillaries. True or False
Answers
True. Large molecules like dietary lipids and lipoproteins are absorbed and transported by lacteals, which are lymphatic vessels that are only found in the villi of the small intestine fats.
Via lacteals, the body's digested fat is transported from the intestine's villi to the lymph veins (special lymph capillaries). Because of its high fat content and milk-like appearance, the lymph found inside lacteals is known as chyle.
As a result, the statement is accurate. Lymph is the term for the fluid that has entered the lymph capillaries. The lymphatic system's second job is to transfer lipids and fat-soluble vitamins from the digestive tract to the venous circulation once they have been absorbed from the digestive system.
Learn more about digested fats Visit: brainly.com/question/17069431
#SPJ4
The evolution of the cuticle in plants was a key adaptation to terrestial living because
a. enhanced water loss.
b. enhanced absorption of nutrients from soil
c. allowed for an alternation of generation
d. helps plant to avoid drying up
Answers
The evolution of the cuticle in plants was a key adaptation to terrestrial living because it helps plants to avoid drying up.
Thus, the correct option is d. helps plant to avoid drying up.
In plants, the cuticle is a protective layer of waxy, hydrophobic substance produced by the epidermal cells. It is the layer of tissue that separates the aerial parts of the plant from the outside environment. It serves as a barrier to protect the plant from desiccation, UV radiation, and environmental stresses.The cuticle is thicker on leaves and shoots of plants that grow in dry environments, where the risk of water loss is greater.
The cuticle also helps to minimize water loss from the plant by limiting the amount of water that escapes from the plant's tissues by evaporation.Plants are considered the first organisms to live on land, and the evolution of the cuticle was a critical step in their transition from an aquatic to a terrestrial lifestyle. Without the cuticle, plants would have been unable to survive on land, as they would have dried out and died from desiccation.
To know more about evolution visit :
https://brainly.com/question/31440734
#SPJ11
How many chromosomes would you expect to be in the daughter cells of the mosquito after mitosis? When starting with 6
Answers
Answer:
i think it would be 12 since during mitosis it creates identical daughter cells which doubles up cells.
Explanation:
Answer:
12
Explanation:
*PLEASE ANSWER!!!* ASAP
The natural sonar function provided by a dolphin’s paralimbic node is comparable to
a.) mouths for a primate.
b.) feet for a primate.
c.) eyes for a primate.
Answers
Answer:
C, eyes of a primate
Explanation:
While dolphins can use their eyes, the sonar (also known as echolocation) can help dolphins detect things from farther away and maneuver in dark locations.
Please let me know if I'm wrong, have a nice day. :)
Write an expository essay explaining how the ideas of cell theory, heredity and genetics, and
evolation through natural selection are used by biologists to explain the unity and diversity of
life on earth today
Answers
Unity in diversity is best explained by the collaboration of research works by scientists, with the help of cell theories and genetics and natural selection.
What is evolution and how come unity in diversity can be explained?Evolution is the gradual change in the evolving of different species on Earth so far from simple to complex phenomena. Natural selection was discovered by Darwin and was first invented in the land of flinches, with the alteration in the beaks. Genetics is always remembered by Mendel's experiment initially and contributed largely to the evolution of species. Unity in diversity is the collaborative invention of all the researchers that got in the way of inventing natural selection to the cell theory. Biologists explain that this vast diversity on our planet is all safe and together due to unity.
To know more about unity and diversity visit:
https://brainly.com/question/14696671
#SPJ13
How does chemotherapy affect cells
Answers
Chemotherapy treatments can’t differentiate between cancer cells and healthy cells. That’s why chemotherapy harms or kills healthy cells, as well as cancer cells.
Explanation:
Many common side effects of chemotherapy are caused by the treatment’s impact on healthy cells. These side effects include anemia, a weakened immune system, hair loss, and nausea.
HELP ASAP! I WILL GIVE 50 POINTS AND BRAINLIEST
Phenotypic similarity does not always reflect evolutionary relationships due to:
Check all that apply
Are the answers B and C?
A) variation in rates of evolutionary change among species
B) homoplasy
C) convergent evolution
D) outgrouping
Answers
A scientist who wants to study the effects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 milligrams of fertilizer each day, and Plant C gets 10 milligrams of fertilizer each day. Which plant is the control group?
Select one:
a. Plant C
b. There is no control group in this experiment.
c. Plant A
d. Plant B
Answers
Answer:
Plant A is the control group.
Explanation:
Because it isn't being tested on, its the base for the experiment, something to compare the plants being tested on too.
A strand of DNA contains the bases adenine, cytosine, cytosine, and guanine, in that order. Which would be the order
of the bases on the opposite strand of DNA?
cytosine, adenine, adenine, and thymine
cytosine, thymine, thymine, and adenine
thymine, guanine, guanine, and cytosine
Othymine, adenine, adenine, and cytosine
ITS C ON EDGENUITY 2020
Answers
Answer:
If a strand of DNA contains the bases adenine, cytosine, cytosine and guanine the order of the bases on the opposite strand is thymine, guanine, guanine and cytosine.
Explanation:
DNA contains a double strand, each of which contains a specific sequence of bases —adenine, thymine, cytosine and guanine— whose order determines the genetic information stored in this nucleic acid.
The sequence of bases on one DNA strand is complementary on the other strand, taking into account the complementarity of bases, i.e. the purines adenine and guanine are complemented by the pyrimidines thymine and cytosine, respectively:
A = T
G ≡ C
So that the sequence A - C - C - G of one chain is complemented by the sequence T - G - G - C of the other.
Taking into account the above information, the other options can be discarded, as they do not comply with the complementarity of bases in the DNA.
Answer:
C. thymine, guanine, guanine, and cytosine
Explanation:
Which process results in two identical cells?
meiosis
replication
fertilization
mitosis
Answers
Answer:
d
Explanation:
The process that results in two identical cells is known as Mitosis. Thus, the correct option for this question is D.
What is Mitosis?Mitosis may be defined as a type of cell division through which two identical daughter cells are produced from a parental cell. These daughter cells are genetically identical to their parental cells and are mostly diploid in nature.
While the process of meiosis typically produces four daughter cells from a parental cell. These daughter cells are not genetically identical to their parental cells. These cells are haploid in nature.
The process of fertilization may be defined as when two distinctive gametes are fused together in order to produce a zygote. While replication is the duplication or synthesis of genetic material during the S-phase of Interphase.
Therefore, mitosis is the process that results in two identical cells. Thus, the correct option for this question is D.
To learn more about Mitosis, refer to the link:
https://brainly.com/question/19058180
#SPJ6
Which activity is part of managing water resources?
O studying water to see whether it is polluted
O taking a long hot bath to stay warm
drinking water and using it for swimming and boating
O transporting water to areas where it is needed
Answers
Answer:
transporting water to areas where it is needed. IS THE RIGHT ANSWER
Explanation:
Took the Cumulative Exam!!
The activity that represents a part of managing water resources is to transporting water to areas where it is needed. Thus, the correct option for this question is D.
What are that are important activities for managing water resources?The important activities for managing water resources are as follows:
Collection and distribution of water.Assistance and extension to farmers on water management.Rainwater harvesting.Groundwater recharge.Artificial groundwater recharge.Drip Irrigation to Conserve Water.According to the context of this question, there are various activities that are considerably involved in managing water resources for all including farmers. Sewage treatment plants at local or high levels are actively involved in the same process. It prevents the wastage of water, using water carefully and recharging groundwater.
Therefore, the activity that represents a part of managing water resources is to transporting water to areas where it is needed. Thus, the correct option for this question is D.
To learn more about water resources, refer to the link:
https://brainly.com/question/1121086
#SPJ7
Since you don't have a good way to detect conspecific nest parasitism (the birds are quite sneaky and you don't have funding for genotyping eggs), you recognize that some portion of eggs in your survey would not in fact be from their biological parents. How do you think this might influence your estimate of the heritability of beak shape
Answers
The presence of conspecific nest parasitism can have a significant impact on the estimate of heritability of beak shape.
If a portion of eggs in the survey is not from the biological parents, then the genetic variation of the offspring will not be due to the genetic variation of the parents. This can lead to an underestimation of the heritability of beak shape, as the genetic variation that contributes to differences in beak shape among offspring will be attributed to environmental factors instead of genetic factors. This highlights the importance of accurately identifying biological parents in studies of heritability, as failure to do so can lead to erroneous conclusions about the genetic basis of traits.
To learn more about heritability, click here:
https://brainly.com/question/2742637
#SPJ11