Question

Why is it that dogs always produce several puppies whereas human being usually produce one child at a time

Answer 1

When human body is considered the egg gets closed soon after a sperm enters it.After that no sperm could enter the egg in some cases two or more sperms enter the egg and that's how twins take birth.

Answer 2

dogs produce more than one egg at a time hence puppies are born to them at the same time where is human usually produced when I get a time Hence produce only one child at a time
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