problemset1 - Page 1 of 4 Name_ Problem Set 1 Biology 313....

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Page 1 of 4 Name______________________________ Problem Set 1 Biology 313. Principles of Genetics Due date: Friday Feb 1, 12:10 PM Turn in a hard copy at the Biol 313 lecture Question 1. (3 points total) a.) (2.5 points, 0.5 points each diagram) A particular animal species has four chromosomes (2n = 4). Each diagram below depicts a cell in either M phase (mitosis) or meiosis. For each diagram, indicate (i) whether it depicts meiosis or mitosis, (ii) the particular stage, and (iii) the substage if it is in meiosis. (i) (ii) (iii) b.) (0.5 points) A sunflower has a diploid chromosome number of 2N = 34. How many chromatids are present in one of this sunflower’s cells at prophase II of meiosis? Question 2. (4 points) An amateur maize breeder thinks she may have discovered a gene that allows high ethanol yields when processing cellulosic corn biomass (corn stover, usually left in the field after harvest). She isolates true breeding strains for high ethanol and low ethanol and crosses them to produce an F1. The F1 is self fertilized. When 2,000 of the F2 corn plants are
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problemset1 - Page 1 of 4 Name_ Problem Set 1 Biology 313....

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