The stats I found range from a 0.5 to 3% difference between the male and female population. What is the science behind this? How come there’s not significantly more of one or the other?
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Women having the XX chromosome and men having the XY chromosome. Both give either one of these to their child. So women always give an X, men give a Y half the time. So roughly half the children born are male, the other female.
Now there are more cases to look at (XXY etc), it’s not actually truly 50-50, but it’s close enough.
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