MadSci Network: Genetics

Subject: Is the ratio of male-female birth random?

Date: Mon Mar 5 07:47:09 2001
Posted by Boris
Grade level: grad (science) School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Genetics
ID: 983796429.Ge

I have heard that usually the ratio of male- female birth is 50 - 50.
It is thought to be random.
Yet after wars that ratio changes and more males are born. (In the wars in which more males have died - it means most of them).
How is this possible? Is it true at all?

Re: Is the ratio of male-female birth random?

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