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BIO 325 Discussion 2 Fall 2009

BIO 325 Discussion 2 Fall 2009 - Genetics(BIO 325 Fall 2009...

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Genetics (BIO 325) Fall 2009 Discussion 2 ________________________________________________________________________ 1. Indicate whether the following statements are true or false: (a) Mothers transmit X chromosomes to both their sons and daughters. T (b) Fathers transmit X chromosomes to their sons, but not to their daughters. F (c) For X-linked dominant traits, affected daughters always have affected fathers. F (d) For autosomal dominant traits, affected individuals have at least one affected parent.T (e) If both parents are affected by an autosomal recessive trait, all children will be affected. T (f) For X-linked dominant traits, the number of affected females in a population is approximately equal to the number of affected males. F (g) Autosomal traits generally affect equal numbers of males and females. T (h) For X-linked recessive traits, the number of carrier females in a population is approximately equal to the number of affected males. F (i) For X-linked dominant traits, affected sons always have affected mothers. T
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BIO 325 Discussion 2 Fall 2009 - Genetics(BIO 325 Fall 2009...

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