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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?
When the differential is obtained what is the meaning of the percentage of.define What are the clinical scenarios.
Meselson and Stahl performed the density-gradient centrifugation of DNA in a solution of calcium chloride. Chargaff's rule state that in DNA, the amount of adenine equals
Butterflies are typical diploid eukaryotes with the following inherited situations, True-breeding c s o are crossed to c+ s+ o+ to produce F1 progeny
Enzymes greatly decrease the activation energy. Describe two of the ways they do this and be specific in terms of chemical mechanisms.
Explain why does a single capillary have a high resistance to the flow of blood and a capillary network of circulation have a low resistance?
Will victim die, or would the scientist have to go back to the laboratory to invent a more effective death-ray. The DNA is consequently isolated and centrifuged in a CsCl2 gradient to yield what type of gradient band(s).
On your break, you prepare orange juice from frozen concentrate that you purchased at the store. Given the directions, you mix the concentrate with three cans of cold water.
Both chemical and physiological buffering systems exist in the body. What are the two organ systems involved in physiological buffering.
A beetle (0.06g), a gorilla (200kg), a gecko (5g) and a hedgehog (5g) are all kept individually in 5x5m rooms that are maintained at a constant temperature of 25 C.
Assume you have a population of 3,320 AA; 640 Aa; and 12 aa genotype. Calculate the relative fitness w, and the selection coefficient for each 3 genotypes
Estimate the sequence of hexapeptide on the basis of the following data. When the sequence is not known, a comma separates the amino acids.
Place the following characters on a phylogeny of fungi (with animals as an outgroup), Flagella, Multicellularity, Non-motile sperm, Arbuscular mycorrhizae, Macroscopic reproductive structures.
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