Why does rate of Down Syndrome increase with maternal age?

Subject: Why does rate of Down Syndrome increase with maternal age?

Date: Wed Jun 29 00:35:11 2005
Posted by Robin
Grade level: grad (science) School: Redeemer Lutheran College
City: Rochedale State/Province: Queensland Country: Australia
Area of science: Genetics
ID: 1120023311.Ge

Message:


If a female's eggs are all produced before she is even born and just start 
maturing or developing with the onset of puberty, how can meiotic mistakes 
(and the presumed increase in rate of these with maternal age) account for 
abnormalities such as Down Syndrome?

Re: Why does rate of Down Syndrome increase with maternal age?

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