Drosophila melanogaster (D. melanogaster) is a species of fruit fly frequently used by researchers in genetic studies. Members of this species have two of each of four different chromosomes: the sex chromosome (flies have X and Y) and three autosomes (chromosomes 2, 3, and 4). Researchers studying D. melanogaster conducted genetic crosses to investigate a particular X-linked recessive trait encoded by a single gene (Table 1). Affected flies have the trait. (a) Identify the genotypes of the male and female flies used in cross 2. (b) Identify the cross in which the female parent was most likely
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Drosophila melanogaster (D. melanogaster) is a species of fruit fly frequently used by researchers i...
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