Why is the average natural birth ratio 105 males for every 100 females?

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2007-03-15 15:55:57 · 2 answers · asked by Ajay B 1 in Health ➔ Other - Health

Sperm with the Y chromosome swim faster. If the egg is fertilized by a Y the baby is a boy, if it's fertilized by an X the baby is a girl.

2007-03-15 16:02:29 · answer #1 · answered by :) 4 · 0⤊ 0⤋

Because there is a natural wasteage of 5% males due to being nagged to death by females.

2007-03-16 06:34:22 · answer #2 · answered by Anonymous · 0⤊ 0⤋