Genetics

Short answer question.
22. A yeast has n = 2. A gene for adenine synthesis can be functional (A), or
defective (a). Another gene for guanine production can be functional (G), or
defective (g). The two genes segregate (assort) independently. A haploid yeast Defective in adenine synthesis (but competent for guanine synthesis) is crossed to a haploid yeast defective in guanine synthesis (but competent for adenine synthesis). The diploid can synthesize both nucleotides. The diploid is then induced to undergo meiosis and make spores.
22a. Diagram cells representing each starting haploid yeast strain at mitotic
metaphase. Be sure to diagram each chromosome/chromatid and each allele.
22b. Diagram a cell representing the diploid at meiosis I metaphase. If there is more than one possibility, include the different possibilities. Be sure to diagram each chromosome/chromatid and each allele.

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asked by Kyle
  1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

    Also, we cannot diagram on these posts.

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    posted by PsyDAG

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