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A. In an experimental population of Drosophila, a sample of males and virgin females includes 112 A1A1, 108 A1A2, and 30 A2A2 flies. Each genotype is represented equally in both sexes, and each can be distinguished by eye color. Calculate the OBSERVED allele and genotype frequencies. Calculate the EXPECTED genotype frequencies (given the observed allele freqs) and then determine (by eye is fine) whether or not the locus is in Hardy-Weinberg equilibrium. B. Now suppose you had discarded half the A1A1 flies in the experimental population above and allowed the remaining individuals to randomly mate. What would be the genotype frequencies among their offspring? If there are 250 offspring, how many individuals would be in each class?
Determining genotypes in autosomal dominant pedigrees. From the list on the left hand of the picture are the choices for the blanks with arrrows.
What must a biologist do if she or he finds that different methods of analyzing the same data give different estimates of the relationships among certain taxa.
Which characteristic of cell membranes might explain why fat-soluble substances such as chloroform and ether rapidly affect cells.
Explain why are many hospitals in developed countries consume large amounts of cephalosporin antibiotics, particularly in surgical departments as the preferred choice for prophylaxis and Describe the structure of viruses.
A doctor will give you an antibiotic to treat the bacterial infection, but you are given a vaccine to keep a virus (and some bacteria) from making you ill. What is the dissimilarity between these approaches.
Using the understanding of osmosis describe, why putting salt on a pork chop before cooking it on a grill is probable to result in a dry tough piece of meat.
what are three parts Cell respiration has. Where in the cell is each found, the molecule(s) that enter each, the molecules at the end of each, and the number of ATPs harvested from each.
Propane boils at -46oC. Propanol boils at 97oC. The difference is attributable to, Determine which of the following pairs of functional groups CANNOT react with each other by a dehydration reaction?
Illustrate the metaphase cell of this culture showing predicted distribution of radioactivity on the autoradiograph.
The intestinal stem cell sits exactly at position four in the crypt. What experiment was performed to find out it is the stem cell? At that position,
Explain the sites and actions of the cardioinhibitory and cardioacceleratory centers and also discuss the factors that affect heart rate and stroke volume.
A clinical trial is organized to compare an experimental medication designed to lower blood pressure to a placebo. Before starting the trial, a pilot study is conducted involving ten participants.
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