A member asked:

Good evening, doctor. can i ask, please? in our family, from my mum's side, there is lots of twins and also more left handed people through more generations. there is maybe even more females born then males. why do you think it is like that? thank y?

3 doctors weighed in across 2 answers

Lefthandedness and having twins have some genetic basis meaning these can run in families. However, having males or females has been proven not to have a genetic basis.

Answered 11/6/2021

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It,s your genes that cause all these things to occur. Good Luck

Answered 11/6/2021

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