The baby’s gender is based on inheritance, reveals a new study

The baby's gender is based on inheritance, reveals a new study

When a new member is about to arrive in the family, the first thing that excites us the most is, if it will be a girl or a boy. If you are also super excited to know the gender of the baby, this study can surely give you a clue!

The study

A new research paper published by Newcastle University in England has revealed that father’s genes decide whether you will have sons or daughters.

The study included the analysis of 927 family trees that dated back to the year 1600. Till now, scientists have understood that the sex of the baby can be determined by: if the sperm carries either an X or Y chromosome and combines with mother’s X chromosomes to make either XX (baby girl) or XY (baby boy).

As per the new Newcastle study, an unnamed gene controls a man’s ratio of X and Y sperm, making them more likely to a child of one sex than others.

The family tree suggests that the baby’s gender is based on inheritance. If the father has more brothers, he’s is more likely to have a son while, if he has more sisters, a girl is more likely to come.

The study explains why there is a roughly balanced ratio of male to female births. A scientist from the Newcastle team said, ” If there are too many males in the population, females will more easily find a mate, so men with more daughters will pass on more of their genes, causing more females to be born in later generations”.

But now as siblings set are limited to smaller pools, it can be difficult to get any definitive information from the gender of a man who has one or two siblings.

And even when you know that a man is more likely to have a daughter, as per this theory, there is always a room for variance.

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