USC BIO E101 WOLFF FALL 2009 STUDY QUESTIONS FINAL EXAM 2 What pattern of inheritance would lead a geneticist to suspect that an inherited disorder of cell metabolism is due to a defective mitochondrial gene? Women born with an extra X chromosome (XXX) are healthy and phenotypically indistinguishable from normal XX women. What is a likely explanation for this finding? When Thomas Hunt Morgan crossed his red-eyed F 1 generation flies to each other, the F 2 generation included both red- and white-eyed flies. Remarkably, all the white-eyed flies were male. What was the explanation for this result? A. The gene involved is on the X chromosome; B. The gene involved is on the Y chromosome; C. The gene involved is on an autosome; D. Other male-specific factors influence eye color in flies; E. Other female-specific factors influence eye color in flies. Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways? A. There are four major functional classes of genes in
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