In fruit flies, which of the following sex chromosome karyotypes would be hemizygous? Group of answer choices XXX XXY XY YY
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In fruit flies, males are hemizygous for X-linked genes because they have only one X chromosome and lack a second copy on the Y chromosome. Show more…
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What is the sexual phenotype of fruit flies having the following chromosomes? $$\begin{array}{ccc} & \text { Sex chromosomes } & \text { Autosomal chromosomes } \\ \text { a. } & \text { XX } & \text { all normal } \\ \text { b. } & \text { XY } & \text { all normal } \\ \text { c. } & \text { XO } & \text { all normal } \\ \text { d. } & \text { XXY } & \text { all normal } \\ \text { e. } & \text { XYY } & \text { all normal } \\ \text { f. } & \text { XXYY } & \text { all normal } \\ \text { g. } & \text { XXX } & \text { all normal } \\ \text { h. } & \text { XX } & \text { four haploid sets } \\ \text { i. } & \text { XXX } & \text { four haploid sets } \\ \text { j. } & \text { XXX } & \text { three haploid sets } \\ \text { k. } & \text { X } & \text { three haploid sets } \\ \text { l. } & \text { XY } & \text { three haploid sets } \\ \text { m. } & \text { XX } & \text { three haploid sets } \end{array}$$
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In a cross between a homozygous red-eyed female fruit fly and a white-eyed male fruit fly, what is the expected outcome? a. all white-eyed male offspring b. all white-eyed female offspring c. all red-eyed offspring d. half white-eyed make offspring
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