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Q1. In a population that has been mating randomly for many generations, two phenotypes are segregating; one is by reason of the dominant allele D, and the other to a recessive allele d. The frequencies of the dominant and recessive phenotypes are 0.7975 and 0.2025, respectively. Find out both the allelic frequencies and the genotypic frequencies.
Q2. A 68-year-old client was admitted to the hospital medical floor with a diagnosis of chronic bronchitis. His wife asks the nurse why his skin looks blue. How would you describe cyanosis to the client and his wife?
Predict the products of the following protease digestionsby trypsin or chymotrypsin, Polylysine can adopt an alpha-helical conformation, butonly under certain buffer conditions
A gerbil poplulation has one hundred light blue gerbiles, 250 dark blue gerbils, and 150 black gerbils. In one generation 10 percent of the home population is displaced by a gang of tough light blue gerbils.
Suppose that the long ear lobes in humans is an autosomal dominant trait that exhibits 30 percent penetrance. A person who is heterozygous for long ear lobes mates with a person who is homozygous for normal ear lobes.
Most birth control methods are designed to remain the egg and sperm from uniting to form a zygote. How do they keep sperm from uniting with egg.
Consider a specific codon in the genetic code that normally codes for an amino acid. Change the wobble position nucleotide to a different purine and the result is a stop codon.
Why is the attachment of an amino acid to the correct tRNA considered to be such an important step in proteins synthesis?
The level of protein structure that is stabilized primarily by non covalent interactions in the side chains within a single polypeptide chain is refered to as its:
Suppose you found two distinguishable types of individuals in wild populations of some organism in the following frequencies: Type 1 Type 2 Females 99% 1% Males 90% 10% The difference is known to be inherited. Are these data compatible with the tr..
Assume you perform a cross with the pea plant in question one and a pea plant with the genotype aabbccdd. What is the probability that an offspring will be aaBbccDd?
Assume that a given plasmid vector to be used in a cloning experiment contains 4000 base pairs of DNA. Assume also that the restriction endonuclease.
There are many challenges that organisms must meet to survive. Describe two challenges and explain how plants and animals are able to meet these challenges. Be specific about structures (anatomy) involved and molecules (physiology) involved.
A plasmid contains genes for ampicillin resistance and tetracycline resistance and has single sites for restriction sites BglII, PstI and EcoRI. When genes are inserted into the PstI site, transformants are resistant only to ampicillin. In which r..
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