lec05 - Biology 140 Fall 2007 Mistakes in Mitosis- Fathers...

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Unformatted text preview: Biology 140 Fall 2007 Mistakes in Mitosis- Fathers and Age 50 year old men 2 frequency of sperm with extra Y chromosome than 20 year olds Life expectancy: daughters of fathers > 50 years old 74 years daughters of fathers < 30 years old 77 years Dwarfism < 20 higher in children of old fathers than young fathers. Biology 140 Fall 2007 Age Limits for Sperm Donors U.S.A. (American Fertility Society) 50 Australia 40 U.K. 35 Biology 140 Fall 2007 Sperm Donors who are they? France Only men who have already had children. Britain Medical Students (!) USA Can shop around. Biology 140 Fall 2007 Resum of one sperm donor Most memorable childhood experience Biology 140 Fall 2007 Resum of one sperm donor Most memorable childhood experience: Thrown into a swimming pool at the age of five and discovered he could swim. Biology 140 Fall 2007 Resum of one sperm donor Most memorable childhood experience: Thrown into a swimming pool at the age of five and discovered he could swim. Funniest thing that ever happened to him: Biology 140 Fall 2007 Resum of one sperm donor Most memorable childhood experience: Thrown into a swimming pool at the age of five and discovered he could swim. Funniest thing that ever happened to him: Lost his swimsuit half-way through a swimming race. Biology 140 Fall 2007 Resum of one sperm donor Most memorable childhood experience:...
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This note was uploaded on 06/18/2008 for the course BIO 140 taught by Professor Adams during the Fall '07 term at University of Michigan.

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lec05 - Biology 140 Fall 2007 Mistakes in Mitosis- Fathers...

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