In camels, tan colored (T) is dominant to cream colored (t). Additionally, one hump (H), is dominant to two humps (h).
A cream-colored 1-humped camel is crossed with a tan-colored, 2-humped one. Half of their offspring are tan-colored with 1 hump. The other half are cream colored with 1 hump. What are the genotypes of the parents?
Answers
The genotype of cream-colored 1-humped camel is ttHH
The genotype of tan-colored, 2-humped camel is Tthh
What are dominant and recessive allele?The most common interaction between alleles is the dominant/recessive relationship. An allele of a gene is said to be dominant if it effectively overrides the other (recessive) allele. Eye color and blood type are examples of relationships between dominant and recessive genes. If an allele is dominant, the trait with which it is associated is expressed in the individual. If the allele is recessive, the associated trait is less likely to be expressed. A recessive trait only appears when both alleles in an individual are recessive.
Since half of the off spring are tan-colored (T) with 1 hump (H) and another half are cream colored (t) with 1 hump (H).
Cream colored camel simply represent the expression of recessive allele. And also the presence of one hump in all the off springs indicates that the one humped parent must've been carrying the homozygous dominant allele (H) for this. This concludes that the genotype of cream-colored 1-humped camel is ttHH
Now, as we see that other camel is tan colored (T) but its off-springs express the cream color of recessive gene, hence it may've carrying the dominant gene for color but half population of off-spring with cream coat indicates its heterozygosity (Tt). As two humps is already a homozygous situation (hh) because of the recessive nature of allele responsible for it.
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Related Questions
What is the thin-walled tube inferior to the uterus, anterior to the rectum, and posterior to the urethra and bladder
Answers
Answer:
The vagina
Explanation:
The transfer of information within a neuron is known as.
Answers
Answer:
The synapse is the name given the junction between neurons where information is exchanged. The action potential causes information to be transmitted from the axon of the first neuron ( presynaptic neuron) to the dendrites or cell body of the second neuron ( postsynaptic neuron) by secretion of chemicals called neurotransmitters.
Explanation:
A muscle usually has two points of attachement to two different bones, and the muscle itself crosses the ______ formed by the two bones
Answers
A muscle usually has two points of attachment to two different bones, and the muscle itself crosses the joint formed by the two bones.
Muscles are responsible for producing movement by contracting and pulling on bones. Most muscles have two points of attachment, known as origins and insertions, which are connected to different bones. When a muscle contracts, it pulls on the bones it is attached to, causing movement at the joint between those bones.
The joint is the point of articulation or connection between two bones. It allows for movement and flexibility. When a muscle crosses a joint, it means that the muscle spans or passes over the joint, connecting the two bones involved in that joint.
For example, the biceps muscle in the upper arm. The biceps muscle has its origin on the scapula (shoulder blade) and its insertion on the radius bone in the forearm. The joint formed by the humerus bone (upper arm bone) and the radius bone is the elbow joint. When the biceps muscle contracts, it pulls on the radius bone, causing flexion at the elbow joint.
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I’m being timed!!!!plz help
Which statement describes the relationship between seafloor spreading and continental drift?
-As the seafloor spreads, the continents do not move
-As the continents move, they pull the seafloor with them
-As the continents move, they create new seafloor at the coast
-As the seafloor spreads, the continents move in the same direction
Answers
Answer:
I think it is c
Explanation:
because if a continetnt moves typically something must be used to fill in this gap and then seafloor spreading occurs.
Answer:
B. As the continents move, they pull the seafloor with them.
Explanation:
Put the following events of bacterial transcription in chronological order 1. Sigma is released 2. Sigma binds to RNA polymerase, 3. Sigma binds to the promoter region. 4. The double helix of DNA is unwound, breaking hydrogen bonds between complementary strands. 5. Transcription begins. A3.1,2,5, 4 B 2.3, 1, 4,5 C 3.2. 14 C.5 2.3, 4.5.1
Answers
Transcription is the process by which DNA is used to create RNA molecules, and it is the first step in gene expression. Sigma factor helps the RNA polymerase enzyme bind to the promoter region and initiate transcription.
The correct chronological order of bacterial transcription events is Sigma binds to the promoter region (3), Sigma binds to RNA polymerase (2), the double helix of DNA is unwound, breaking hydrogen bonds between complementary strands (4), and transcription begins (5). Thus, the correct option is option A (3,2,5,4,1) and the answer is as follows:
Bacterial transcription is the process of producing RNA from a DNA template in prokaryotic cells. It is done in the following steps:Binding of sigma factor to the promoter region is the first step of bacterial transcription. It allows RNA polymerase to recognize the promoter region of the DNA molecule that must be transcribed.Next, sigma factor binds to RNA polymerase to create the RNA polymerase holoenzyme. This allows for a better binding and transcription process.Once the RNA polymerase holoenzyme has bound to the promoter region, the double helix of DNA is unwound, breaking hydrogen bonds between complementary strands. This makes the DNA molecule more accessible for transcription.
The template strand is then used to synthesize the RNA molecule.Finally, the process of transcription begins. RNA polymerase moves along the DNA template strand in a 5' to 3' direction, synthesizing RNA molecules that are complementary to the template strand. As RNA polymerase reaches the end of the gene, it releases the RNA transcript and detaches from the DNA molecule.The sigma factor is then released to start the process of transcription for the next gene.
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explain how both clomiphene, an estrogen receptor agonist, and letrozole, which reduces estrogen levels, can both induce ovulation when they seemingly have opposite effects in the body.
Answers
The long-established standard medication for ovulation induction, clomiphene citrate (CC), is still regarded as the first-line treatment for PCOS women. Clomiphene does, however, have some clear drawbacks.
Ovulation and pregnancy rates differ after receiving CC treatment (60–85%; 10–20%). The rate of miscarriages is higher than that of the general population[6,7], and 20–25% of PCOS women are clomiphene resistant. The endometrial growth and development as well as the quantity and quality of cervical mucus are negatively impacted by the anti-estrogenic effect of CC, which results in a protracted depletion of estrogen receptors.
An oral aromatase inhibitor with a strong potential for ovulation induction is letrozole. This chemical has been investigated as a potential ovulation inducer by numerous researchers, and it has been in use for a few years now. In women with PCOS who are clomiphene citrate-resistant, letrozole has been demonstrated to have an excellent ovulation rate.
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Counting how many sunflowers turned toward the sun is an example of -
A-Qualitative data
B-pinions
C-Quantitative data
D- Beauty
Answers
Answer:
answer is (c) quantities data
How does greenhouse effect, affects biodiversity and gradual extinction
Answers
Answer:
Greenhouse gases let the sun’s light shine onto the Earth’s surface, but they trap the heat that reflects back up into the atmosphere. In this way, they act like the insulating glass walls of a greenhouse. The greenhouse effect keeps Earth’s climate comfortable. Without it, surface temperatures would be cooler by about 33 degrees Celsius (60 degrees Fahrenheit), and many life forms would freeze.
Explanation:
what're the glycosidic linkages in maltose, lactose, sucrose, glycogen, starch and cellulose?
Answers
Maltose has an α-1,4 glycosidic bond between two glucose molecules, lactose has a β-1,4 glycosidic bond,and sucrose has an α,β-1,2 glycosidic bond.Glycogen, starch, and cellulose all have α-1,4 glycosidic bonds linking glucose molecules in a linear chain.
What are the glycosidic linkages found in maltose, lactose, sucrose, glycogen, starch, and cellulose?Maltose: The glycosidic linkage in maltose is an α-1,4 glycosidic bond, which links two glucose molecules.Lactose: The glycosidic linkage in lactose is a β-1,4 glycosidic bond, which links a glucose molecule to a galactose molecule.Sucrose: The glycosidic linkage in sucrose is an α,β-1,2 glycosidic bond, which links a glucose molecule to a fructose molecule.Glycogen: The glycosidic linkage in glycogen is an α-1,4 glycosidic bond, which links glucose molecules in a linear chain, and an α-1,6 glycosidic bond, which links branches to the linear chain.Starch: The glycosidic linkage in starch is an α-1,4 glycosidic bond, which links glucose molecules in a linear chain, and an α-1,6 glycosidic bond, which links branches to the linear chain. Starch can be either amylose, which is unbranched, or amylopectin, which is branched.Cellulose: The glycosidic linkage in cellulose is a β-1,4 glycosidic bond, which links glucose molecules in a linear chain.Learn more about Glycosidic linkage
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What impact does biomagnification have on the ecosystem
Answers
Answer: Biomagnification has an effect on animal reproduction, growth, the destruction of coral reefs and, most importantly, the natural food chain.
Based on the model, what claim was the student most likely making?
The variation in pelvic spines resulted from errors during protein synthesis.
The variation in pelvic spines resulted from errors occurring during replication.
The variation in pelvic spines resulted from changes to the chromosomes that occur during mitosis.
D The variation in pelvic spines resulted from sections of chromosomes exchanging places during meiosis.
Answers
It is not specified in the question what the student is referring to when they mention "variation in pelvic spines" and it's also not specified if the student is talking about human or animal, so it's impossible to give a correct option. However, option D) "The variation in pelvic spines resulted from sections of chromosomes exchanging places during meiosis" is a possible explanation for the variation in pelvic spines. During meiosis, the process of cell division that creates sperm and egg cells, chromosomes can exchange pieces of DNA through a process called crossing over. This can lead to variations in the genetic makeup of the cells produced, which could potentially result in variations in physical characteristics such as pelvic spines.
Compare and contrast and define the following:
Autotrophic/Heterotrophic
Help a sister outtt
Answers
Answer:
Autotrophs are organisms that prepare their own food through the process of photosynthesis,
heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.
Explanation:
auto - can make their own food (i remember this because they AUTOmatically make food.)
hope this helps!
Which two gases were part of both stage 2 and stage 3 in the formation of the atmosphere?
Answers
The two gases that were a part of both stage two and stage three in the formation of the atmosphere are carbon dioxide and nitrogen.
The atmosphere consists of five primary layers, these are- troposphere, stratosphere, mesosphere, thermosphere, and exosphere. The second layer is the stratosphere and the third layer is the mesosphere. The stratosphere was formed by ices from comets and from gases that were released by volcanic eruptions and pushed into the atmosphere. The mesosphere is situated just above the stratosphere and right below the thermosphere. The two gases which were prevalent in the generation of both these layers are nitrogen and carbon dioxide.
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name all the procedure in which cystoscopy is included
Answers
Cystoscopy is a medical procedure that involves the use of a cystoscope, a thin, flexible tube with a light and camera, to examine the inside of the bladder and urethra.
Cystoscopy is commonly performed in various medical procedures, including:
1. Diagnostic Cystoscopy: This procedure is performed to evaluate and diagnose conditions affecting the bladder and urethra, such as urinary tract infections, bladder stones, tumors, or structural abnormalities.
2. Transurethral Resection of Bladder Tumor (TURBT): In TURBT, cystoscopy is used to visualize and remove bladder tumors. It allows for precise identification and removal of abnormal tissue for further analysis and treatment.
3. Urethral Dilation: Cystoscopy may be used during urethral dilation, a procedure that involves gently stretching or dilating the narrowed sections of the urethra to improve urine flow.
4. Urethral Stricture Treatment: Cystoscopy can be employed as part of the treatment for urethral strictures. It helps in visualizing the narrowed portion of the urethra and guiding the placement of a urethral dilator or a stent to relieve the obstruction.
5. Stent Placement: Cystoscopy is used to guide the placement of ureteral stents, which are thin tubes that are inserted into the ureters to bypass an obstruction, such as kidney stones or tumors.
6. Cystoscopy with Biopsy: If abnormal tissues or suspicious areas are identified during a cystoscopy, a biopsy may be performed. Cystoscopy allows for the precise targeting and sampling of tissue for pathological examination.
These are some of the procedures in which cystoscopy is included. The specific indication and need for cystoscopy may vary depending on the individual patient's condition and the purpose of the procedure. It is always performed by trained medical professionals in a clinical setting.
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An individual receives a knife wound to the axillary region. The nerve plexus most likely to be damaged is the.
Answers
Answer:
The brachial plexus is most likely to be damaged.
What is the function of decomposers in
a balanced ecosystem?
A. They take the nutrients out of rocks and minerals to
enrich the soil.
B. They return nutrients to the soil from dead and
decaying matter.
C. They enrich the soil using only water and air to
increase the nutrient levels.
Answers
Answer:
B
Explanation:
they decompose the dead and get the nutrients from them
this is correct
Climate change has caused a lot of Arctic snow to melt. Without enough snow to reflect solar radiation, the Arctic region is absorbing heat and getting warmer. Warmer polar winds and weak summer storms are proof of Arctic warming.
Cool, powerful summer storms provide welcome relief from heat waves in northern regions such as Europe. These storms are powered by the temperature difference between the hot land and the cold Arctic. But since the Arctic has gotten warmer, the temperature difference has reduced. The smaller temperature difference has resulted in weak, mild summer storms that are unable to snap heat waves. So, Arctic warming may have contributed to the massive heat wave of 2003.
Answers
The burning of fossil fuels such as coal has resulted in global warming as a result of climate change. Climate change has caused a lot of Arctic snow to melt.
What is climate change?
Long-term changes in temperature and weather patterns are referred to as climate change. These changes may be organic, but since the 1800s, human activity has been the primary cause of climate change. This is mainly because burning fossil fuels, such as coal, oil, and gas, release gases that trap heat.
Climate change is seen in global warming.
A lot of Arctic snow has melted as a result of climate change and this is known as Arctic warming.
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16 - Albinism: Prom Genotype to Phenotype
Supplemental activity: Flow Chart
Name:
By creating a flow chart below, trace the steps from DNA through to the resulting phenotype. It has been started for you
below The following words must appear in this flow chart transcription, translation, amino acid(s), protein, gene, mRNA,
TRNA, phenotype
DNA
Answers
A correct flow chart is DNA i.e., gene (transcription) >> mRNA + tRNAs (translation) >> amino acids or protein >> phenotype. It is the flow of the genetic information.
What is the flow of genetic information?The flow of genetic information refers to the molecular process from DNA to the final phenotype (i.e., protein product).
During gene transcription, a particular fragment of DNA called gene is used as a template to generate an mRNA.
Subsequently, the mRNA serves as a template to generate a linear chain of amino acids, i.e., a protein, by a process called translation.
The final protein can be considered as the phenotype (in this case, the albinism trait) because it is the observable feature.
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P
S
Which three numbers are smaller
than -1?
-2.01 x 10¹
-0.13
Q5
3
T
-√₂
R
20
U
1
3
4
-29%
To enter your answer, type the letters of the correct answers in
alphabetical order. For example, PRT or QRU.
Answers
Answer:
p q t. shshsjsjksksjsjsjdjdjdjdjd
I"LL GIVE BRAINlIEST
Translate the mRNA sequence into the amino acid sequence.
Original DNA Sequence: T A C A C C T T G A C T
mRNA Sequence: A U G U G G A A C U G A
Amino acids: ??? ( help! )
Once again, I'll give brainliest !
* please be respectful to not answer if you don't know what the question is asking, that is just taking my points and not giving the chance to those who know :')
Answers
Answer: I don’t know how to comment but thanks for the answer on my recent question
Explanation:
Don’t report me
______ are single-cell organisms found in the food we eat, the water we drink, and the air we breathe.
Answers
What process must cells in these environments use to get the energy needed for life processes out of the food molecules they take in?
Answers
Answer:
in a process called cellular respiratory, organisms cells break down glucose and make the ATP they need
Explanation:
hope it helps kindly follow me
There are many disease that do not infect a person more than once, such as chicken pox and measles. what is responsible for this lifetime immunity?
a. the innate immune response, because barriers to entering the body improve with age.
b. the innate immune response, because adults have more white blood cells than children.
c. the acquired immune response, because antibodies are developed from previous infections.
d. the acquired immune response, because it responds rapidly to broad classes of pathogens.
Answers
The factor responsible for the lifetime immunity against certain diseases like chicken pox and measles, that do not infect a person more than once is (c) the acquired immune response, because antibodies are developed from previous infections.
The acquired immune response is the specific type of immunity that develops for a certain type of pathogen. This immunity is achieved when the antibodies are received from an outside source such as vaccine. It is a more stronger type of immunity as it stays for a longer time, preferably for lifetime and also has memory.
Antibody is Y-shaped structure present inside the body. It is a compound formed to fight against any pathogen also called antigen. Antibody recognizes specific component on a pathogen and protects the body.
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Which body part on humans are pigs' hooves analogous to?
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To continue to receive federal student aid while attending college, students must:
A. register with Selective Service.
B. commit to community service after college.
C. select an academic major in their first semester.
D. maintain satisfactory academic progress.
Answers
Answer: D . maintain satisfactory academic progress
Explanation:
To continue receiving funds, students must maintain satisfactory academic performance. So, the correct option is D.
What is federal student aid?Federal student aid ( FSA) is financial aid service provided to the students of the United States of America. Financial aid is provided in the form of grants, funds or sometimes loans.
This service is provided by the FSA organization of the United States Department of Education. It ranks third among the providers of financial aid to students in the USA.
The funds provided by this organisation are performance-based. Hence to continue receiving funds from federal student aid, a student needs to maintain satisfactory academic progress throughout the duration of their study.
To apply for this, students need to submit a form called Free Application for Federal Student Aid (FAFSA). These applications are processed and some are selected for financial aid.
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Which features demonstrates cold adaptation among neandertals?
Answers
Neanderthals demonstrated several features that indicate cold adaptation, including robust body structure, large nasal cavities, and specialized cranial features.
Neanderthals, an extinct species of humans, inhabited regions with cold climates during the Pleistocene era. Their physical features indicate adaptations to survive in such environments. Firstly, Neanderthals had a robust body structure with stocky builds and shorter limbs, which helped them retain body heat in colder conditions. This body shape reduced the surface area-to-volume ratio, minimizing heat loss.
Secondly, Neanderthals had large nasal cavities, which are believed to have been advantageous in cold environments. The increased nasal volume allowed for the warming and humidification of cold, dry air before it reached the lungs, reducing the risk of respiratory issues caused by inhaling cold air.
Lastly, Neanderthals possessed specialized cranial features, such as a prominent brow ridge and a low, elongated skull. These features may have helped protect their faces and brains from the harsh elements, including cold temperatures and physical stress.
Together, these adaptations suggest that Neanderthals were well-suited to survive in cold climates by minimizing heat loss, protecting their respiratory systems, and providing physical protection. These cold adaptations were likely beneficial for their survival in the challenging environments they inhabited during their existence.
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.
Assertion (A): RBCs kept in hypotonic solution will swell.
Reason (R): Movement of water occurs from outside to inside the RBC.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true
Answers
The given statement Assertion (A): "RBCs kept in hypotonic solution will swell." and Reason (R): "Movement of water occurs from outside to inside the RBC" is true
Option A) Both A and R are true and R is the correct explanation of A. is correct.
A is true because when RBCs are kept in a hypotonic solution (a solution with a lower concentration of solutes compared to the concentration of solutes inside the RBCs), water will move into the RBCs in an attempt to reach equilibrium. As a result, the RBCs will swell and may eventually burst.
R is also true and provides the correct explanation for A because movement of water occurs from an area of higher concentration to an area of lower concentration. In this case, the hypotonic solution has a higher concentration of water molecules compared to the RBCs, which have a lower concentration of water molecules.
Therefore, water moves from outside to inside the RBCs in an attempt to balance the concentration of water on both sides of the cell membrane. This movement of water causes the RBCs to swell.
Therefore, The correct option is A. Both A and R are true and R is the correct explanation of A.
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Magnesium has an atomic number of 12. Which of the following statements is true of a neutral magnesium atom?
O It has 12 protons, 12 electrons, and 12 neutrons.
O It has 12 protons, 12 electrons, and six neutrons,
O It has six protons, six electrons, and no neutrons.
It has six protons, six electrons, and six
neutrons.
Answers
Answer: It has 12 protons, 12 electrons, and 12 neutrons.
Describe an example of a plant cell that is specialized for a specific function. What is special about the cell that allows it to perform this specific function?
Answers
A plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
What is cell differentiation?Cell differentiation refers to the specialization by which cells can perform specific functions.
Mesophyll cells in the plant leaves are specialized cells that contain chloroplasts, which are organelles where photosynthesis occurs.
In conclusion, a plant cell type that is specialized for a specific function is the mesophyll cells in the leaves, which contain many chloroplasts to perform photosynthesis.
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You are a scientist designing a new drug that would decrease the production of only one class of macromolecules within a bacteria cell. Which macromolecule class would you select? (carbohydrates, proteins, nucleic acids, lipids)? Why?
Answers
Class of macromolecules known as nucleic acids. This is because nucleic acids are responsible for the storage and expression of genetic information within the cell.
By decreasing the production of nucleic acids, the bacteria would be unable to replicate its DNA and produce the proteins necessary for its survival. This would effectively prevent the bacteria from multiplying and causing further harm to the host. Additionally, targeting the production of nucleic acids would be more specific and less likely to cause unintended harm to other cells or systems within the host.
In summary, the class of macromolecules that I would select to decrease the production of within a bacteria cell would be nucleic acids, as they play a crucial role in the storage and expression of genetic information and are essential for the survival and multiplication of the bacteria.
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