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A population of Hawaiian Drosophilia is segregating two alleles, p1 and p2, of the phosphoglucose isomerase (PGI) gene. In a sample of 500 flies from this population, 26% were p1p1 homozygotes, 62% were p1p2 heterozygotes, and 12% were p2p2 homozygotes. Answer the following questions based on this data:
a- What are the frequencies of the p1 and p2 alleles?
b- Are the genotypes in this sample in Hardy-Weinberg Equilibrium?
Viruses were first distinguished from other microorganisms, such as bacteria, based on which of the following (select one)? The majority of viruses that have been identified to date cause disease.
Discuss two essential characteristics of a hereditary material. Briefly explain how these characteristics are demonstrated by DNA.
The hair, wart and level genes all are located on the same chromosome. Based on the segregation data, what is the order of these genes on that chromosome?
define the results of the three chi-squared analyses. what do these analyses tell you about the chromosomal arrangements and the genotypes of plants 1 and 2 and the events that occured during gamete production.
There has not been rain for many months. A biologist is driving down the highway and notices that a big number of corn fields have corn that is wilted and short.
In Drosphila, vestigial wings (vg) are recessive to normal long wings (vg+), and the gene for this trait is autosomal. The gene for the recessive white eye trait (w) is on the X chromosome. Suppose a homozygous white, long-winged female fly is cro..
Diagram the electron transport chain and ATP synthesis of oxidative phosphorylation, with specific inclusion of the following terms and concepts: diffusion, active transport, H+ ions, ATP.
The basic differences between RNA and DNA are.
Suppose you return the next season and in the newborn weasels you measure a distribution of genotypes that looks like the.
What is the hydraulic conductance of the arterial side. How could the venous conductance be smaller or bigger than the arterial conductance.
Examine the major stages of sea urchin development with reference to your series of detailed drawings and observational notes. How did the embryonic cells compare in size with the original gamete cells? State reasons such a difference may exist.
Discuss similarities and differences of the anatomical pathways that convey touch sensation and pain. Describe two functional consequences of these differences.
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