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In Drosophila, vestigial (partially formed) wings (vg) are recessive to normal long wings (vg+) and the gene for this trait is autosomal. The gene for the white-eye trait is on the X chromosome. Suppose a homozygous white-eyed, long-winged female fly is crossed with a homozygous red-eyed, vestigial winged male.
a. What will be the genotypes and phenotypes of the F1 flies?b. what will be the genotypes and phenotypes of the F2 flies?c. what will be the genotypes and phenotypes of the offspring of a cross of the F1 flies back to each parent?
Each of the statements below is a hypothesis about why individuals of a particular kind of moth pull their forewings forward when poked. For each statement, label it (a) if it is a proximate hypothesis and (b) if it is an ultimate hypothesis.
MN blood types were assessed for a population that consists of 100 individuals: 45 have blood type M, 30 have blood type MN and 25 have blood type N. Is the population in Hardy-Weinberg Equilibrium with regards to this locus? Show your calculation..
Suppose that each excitatory presynaptic neuron causes a 0.5mv depolarization of postsynaptic neuron, and each inhibitory presynaptic neuron causes a 0.5mv hyperpolarization of postsynaptic neuron.
Write about the pathophysiology of MSG to normal physiological processes and concepts. The integrating salient concepts such as human organ body system function and homeostasis with MSG pathology.
Which characteristic of water allows fish to survive under the polar ice caps?
Describe, using a sketch/diagram, how a double strand DNA break can be produced by a two-hit process when using high energy electrons from a high energy linear accelerator used to irradiate mammalian cells.
With these anatomical features in mind, do some research in order to determine an angiosperm which has modified leaves, stems, roots or flowers that do not function in the normal manner, or that function in an unusual manner.
Phenylalanine residues are often found in what general locations in water soluble globular proteins?
The effective population sizes were recorded for population over five generations; 100, 120, 17, 40, 88. Estimate the harmonic mean of effective population size for this population?
Name two characteristics of slime molds by stating their mode of nutrition and how they survive conditions unfavorable for growth.
Activation of T cells requires that antigens be presented from antigen-presenting cells, not simply by exposure to the antigen in solution. What biological rationale may underlie this requirement - consider both from the perspective of how this can a..
Turgor pressure builds up in a plant cell placed in a hypotonic environment. Why doesn't the plant cell burst like a red blood cell would?
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