Mothers are credited with offering their children their sleeping patterns and habits. A study showed how the duration and quality of sleep, the number of times a child wakes up, and how fast they go to sleep are all affected by their mother. Of course, the sleep environment plays a very important role, but genetics are also a big factor.
Fathers are credited with influencing their child’s gender based on their families. A study found that if a man has a lot of brothers in his family tree, he will most likely have sons. And men determine the gender of their babies depending on whether their gametes carry the Y or X chromosome. Along with the mother’s X chromosome, they will birth a girl if it also has an X or a boy if it has a Y.

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