Reproductive Abnormality in Males
Country: United States
Date: April 2005
Is it true that some males can only produce male
offspring due to some abnormality of chromosomes?
So far as I know, this doesn't occur naturally, but there are ways to
inactivate the X or Y chromosome by genetic manipulation in the lab to
produce males that only produce female offspring if the Y is inactivated or
only males if the X chromosome is inactivated.
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Update: June 2012