problem_set_3_f07

problem_set_3_f07 - meiosis. C or F B. Synapsis occurs in...

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Problem Set 3 Biocore 301, Fall 2007 15 Points, Due in Lecture, October 19 1) Consider a plant, such as potato, which can reproduce either sexually (from seed), or asexually (from tubers). a) List two advantages of asexual reproduction. 1) 2) b) List two advantages of sexual reproduction. 1) 2) 2) Chromosomal mutations usually have a much more deleterious effect on the successful functioning of plant gametes (e.g. Arabidopsis ) than on animal gametes (e.g. humans). Suggest an explanation why this is true. 3a) How is fertilization in animals similar to double fertilization in plants? 3b) How is fertilization in animals different from double fertilization in plants?
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4) The following are statements taken from student papers. In each case, indicate if the statement is correct (C), and if it is not (F), write an explanation to the student about what is wrong or missing. If the statement is true, provide an explanation as to why it is so. A. In an organism with a haplontic life cycle, mitosis occurs immediately after
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Unformatted text preview: meiosis. C or F B. Synapsis occurs in both mitosis and meiosis C or F 5) Noting both similarities and differences, compare and contrast mitosis, meiosis I, meiosis II , in terms of: A. Location/tissue type where this cell division occurs in more complex animals, e.g. humans Similarities Differences B. Location/tissue type where this cell division occurs in complex plants, e.g. lily Arabidopsis Similarities Differences C. S phase prior to this cell division Similarities Differences D. Metaphase Similarities Differences E. Cytokinesis Similarities Differences F. Generation of variation Similarities Differences 6. Based upon the photo (left) and a drawing (right) of the cell below: A. What stage of mitosis or meiosis is this? B. Redraw the structure labeled L1 to the right of the drawing and label chromosomes, chromatids, alleles, and chiasmata....
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This note was uploaded on 04/29/2008 for the course BIOCORE 301 taught by Professor Howell during the Fall '07 term at Wisconsin.

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problem_set_3_f07 - meiosis. C or F B. Synapsis occurs in...

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