Biology, 18.09.2019 23:20 NateTheBeast12
Question 5. in fruit flies a recessive mutation, w, causes the eyes to be white. another recessive mutation, v, causes them to be vermilion, and a third recessive mutation, bw, causes them to be brown. the wild type eye color is red. vermilion is a bright shade of orange and, phenotypically, is distinguishable from the brown eye color. hybrids produced by crossing any two homozygous mutants produce red eyes. all the doubly homozygous mutant combinations have white eyes. questions: (a) how many genes do these mutations define? why? (b) if the red color of the wild type eyes is due to the accumulation of two different pigments, one orange/vermilion and the other brown, which gene controls the expression of which pigment? (c) can the genes be ordered into a pathway for pigment accumulation? if so, how?
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Question 5. in fruit flies a recessive mutation, w, causes the eyes to be white. another recessive m...
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