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In mice, dwarfism is caused by an X-linked recessive allele, and pink coat is caused by an autosomal dominant allele (coats are normally brownish). If a dwarf female from a pure line is crossed with a pink male from a pure line, what will be the phenotypic ratios in the F1 and F2 in each sex? (Invent and define your own gene symbols.)
The accompanying pedigree shows the pattern of transmission of two rare human phenotypes: cataract and pituitary dwarfism. Family members with cataract are shown with a solid left half of the symbol; those with pituitary dwarfism are indicated by a solid right half. a.What is the most likely mode of inheritance of each of these phenotypes? Explain.b.List the genotypes of all members in generation III as far as possible.c. If a hypothetical mating took place between IV-1 and IV-5, what is the probability of the first child’s being a dwarf with cataracts? A phenotypically normal child?
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.
A poll is made of four allozyme loci in a particular population. The alleles are labeled alphabetically according to the mobility of their products in electrophoresis.
Explain why only certain cell types are permissive for transcription of HIV proviral DNA. What cellular factors are involved and why?
The F1 generation, which resulted from cross between the two lines, has a mean of 135kg and a variance of 16kg. What is the broad sense heritability (H2) for milk yield in this population.
how can You characterize a new enzyme's kinetics. No, the activity does not change with increasing enzyme concentration correctly. The enzyme may be only active in a dimer that forms a high concentration.
Trace a drop of blood from tissue cells of the left knee to capillaries of the right arm. Be sure to stop at the lungs along the way! Keep track of the left and right sides of the heart, and mention all the valves through which the blood travels.
Explain plant life, animal life, and geology of the ecosystem in Utah. What populations and communities are present? How dependant is your community on this ecosystem? What are the preventive factors of the ecosystem.
Why have both an endocrine and a nervous system? however we have not yet studied the endocrine system, you know enough about it to answer the question.
What are some of the unique circumstances of forensic genetic evidence.
In winter, plants exchange the saturated lipids in their membranes for unsaturated lipids. Unsaturated lipids are "bent" and keep the membranes more fluid since they cannot be stacked closely together. Of what benefit would this be for herbaceous pla..
In forensic analysis using STR systems, up to 16 different loci can be tested in a single PCR reaction. Why is it important for forensic analysis that each locus being tested is present on a different chromosome? Ideas are justified.
Assume that the habitat is fairly uniform, how various nests would he expect to be in the entire 200-acre preserve.
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