BIOC15H3 Lecture Notes - Lecture 14: Mitotic Crossover, Alternative Splicing, Open Reading Frame

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18 Nov 2013
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Bioc15fall2013 lecture 14 notes: genetics of development and lecture 15 notes: development of body plan. This outcome depends on a particular distribution of chromatids at anaphase (top). If the chromatids are arranged in the equally likely opposite orientation, only phenotypically normal cells will result (bottom). (b)crossovers between sn and y can generate single yellow patches. However, a single mitotic crossover in these females cannot produce a single singed spot if the sn gene is closer to the centromere than the y gene. The sry gene (this gene dictates the development of testis, which. In fruit flies the number of x chromosomes in comparison to autosomes determines sex. 1: some mutations affect the two sexes differently: ** = dominant mutation of sex lethal gene and * is recessive mutation of sex lethal gene. 2: numerator elements are produced by the x chromosome at a slightly higher level than denominator elements are produced by autosomes.

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