Chances for Male/Female

Why is it a 50-50 chance that a baby will be a boy/girl rather than something else, like 55-45, etc.?

>>37
So how do you explain the fact that there are a fair number of species that have unbalanced sex ratios?
The fact that if you split XY cells fairly you get equal amounts of X and Y has no bearing on the matter, since the cells don't have to split fairly.
It's pretty obvious you went to a Texas public school.

>>16,25,39
Samefag.
You aren't lurking moar. Rectify this.