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In a Drosophila experiment, a cross was made between homozygous wild-type females and yellow-bodied ...

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In a Drosophila experiment, a cross was made between homozygous wild-type females and yellow-bodied ...

In a Drosophila experiment, a cross was made between homozygous wild-type females and yellow-bodied males. All of the resulting F1s were phenotypically wild type. However, adult flies of the F2 generation (resulting from matings of the F1s) had the characteristics shown in the figure above:

(a) Is the mutant allele for yellow body recessive or dominant?
(b) Is the yellow locus autosomal (not X-linked) or X-linked?
A) (a) recessive; (b) X-linked
B) (a) recessive; (b) not X-linked
C) (a) dominant; (b) X-linked
D) (a) dominant; (b) not X-linked
E) none of the above

Textbook

Biological Science, Canadian Edition

Edition: 2^nd

Authors: Freeman, Shar, Harrington

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ceybe Author

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Thanks

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This helped my grade so much Perfect

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