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Question: 1 at a certain locus a person has two alleles...

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1. At a certain locus, a person has two alleles, A and a. A. What alleles will be present in this persons gametes? (2 points) OA AA An na When do A and a segregate B. (1) if there is no crossing over between the locus and the centromere of the chromosome? (1 point) (2) if there is a single crossover between the locus and the centromere? (1 point) A chromosome entering meiosis is composed of two sister chromatids, each of which is a single DNA molecule. You are studying an organism with a diploid number (2n) of 40 chromosomes. 2. A. At the end of meiosis I, how many chromosomes are there per cell? How many chromatids? (2 points) 40 (nomosomes 80 chyomands B. At the end of meiosis II, how many chromosomes are there per cell? How many chromatids? (2 points) 20 (nDnoomes 40 (hromashds When is the diploid chromosome number restored? When is the two-chromatid structure of a typical metaphase chromosome restored? (2 points) C. Spnase oF iwer pnase
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