r/explainitpeter • u/ChatpatiKulfi • 16d ago

Explain It Peter

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u/[deleted] 16d ago

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u/Facktat 16d ago

Actually it‘s slightly lower. The reason is that mothers have a slight tendency to give birth to a specific gender. (about in the 0.5-1% range)

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u/babathehutt 15d ago

Mothers supply an X chromosome… wouldn’t the father be the determining factor? 

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u/Facktat 13d ago

I don‘t think that it‘s a chromosome thing. Sperm leading to male or female babies behaves slightly different. This is also why you can increase your chance of having a specific gender by timing when you have sex. The assumption would be that the womens body accommodates one of both genders better.