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In humans, there is a gene that controls formation of muscles in the tongue that allow people with those muscles to roll their tongues, while people who lack those muscles cannot roll their tongues. The ability to roll one's tongue is dominant over non-rolling. The ability to taste certain substances is also genetically controlled. For example, there is a substance called phenylthiocarbamate, which some people can taste, while others cannot. Let's let R represent tongue rolling, r represent a non-roller, T represent ability to taste PTC, and t represent non-tasting.
Suppose a woman who is both a homozygous tongue-roller and a non-PTC-taster marries a man who is a heterozygous tongue roller and is a PTC taster, and they have 12 children, how many of those 12 would you expect to be non-tasters, who are homozygous for tongue-rolling?
Describe what are the three different microbial groups in anaerobic digester, and how they work together to convert complex polymers to methane gas.
Diseases caused by eukaryotic parasites are much harder to treat than bacterial infections. What is the reason?
In order to separate the RNA you majorly utilize a protein denaturant solution of the guanidinum salts. These chaotropic solutions denature by disrupting the H- bonding.
Which of the subsequent statements is true about phylogeny. The ancestral group frequently has all the synapomorphies of the descendant species.W hat phenotypes would be seen in the f2 and in what proportion.
DNAase is an enzyme that catalyzes the hydrolysis of covalent bonds that join nucleotides together. What will first happen to DNA molecules treated with DNAase.
A study is planned to compare two weight loss programs in patients who are obese. The 1st program is based on restricted caloric intake and the second is based on specific food combinations.
For many of the mammalian Hox genes, it has been possible to determine that some of them are more similar to one of the insect HOM-C genes than to the others. Describe an experimental approach using the tools of molecular biology that would allow ..
Robert, a smoker, is 52 years old. He has elevated blood pressure, in part, due to an elevated erythrocyte count. Knowing that smokers often have reduced plasma O2 levels, explain in detail (in a paragraph) why his erythrocyte count is elevated.
Assume if centrifugation of a cell suspension at a rotation speed of 1200 rpm takes three min, Determine how much time will be required to achieve the same degree of cell.
Describe the bacterial chromosome and outline the process by which it replicates by the semi-conservative method of replication.
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?
When a fruit fly of genotype Mm Nn Oo is mated to another fly of identical genotypes, what proportion of the progeny flies will be MM nn Oo.
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