Who Don't Mammals Produce Equal Numbers Of Male And Female Offspring?
Tuesday, December 18, 2012 - 10:50
in Biology & Nature
The process involved in the formation of sperm cells involves symmetry, the equal chance that a mammalian egg will be fertilized by "male" sperm, carrying a Y chromosome or a "female" sperm, carrying an X chromosome, and that symmetry means that roughly the same number of males and females are born, which is necessary for the long-term survival of a species. read more