How come Some Females Just Offer Birth to Boys or Girls? A Genetic Explanation

How come Some Females Just Offer Birth to Boys or Girls? A Genetic Explanation

I am one of three siblings; my mom has three siblings, and my father has three siblings. My spouce and I have actually two girls. Nearly all of my very very first cousins are female—in reality, it is a long-running laugh that ladies take over both edges of my children and that if you’re a male in my family members (sorry, dad and bro! ) you’ve got the patience of saints!

I’ve heard for years—and my own OBGYN swore to me—that when considering to gender in utero, it is the male that determines whether child exists feminine or male. Okay, fine. The quickest “sperm” determines gender. Started using it.

But the reason when we meet a household with only daughters (such as for instance my mother and her three siblings; no brothers) or a family members that’s chock-full of only sons, we wonder: is gender in utero actually just 50/50, or do a little females nowadays give birth to really just boys or just girls? Fortsett å lese «How come Some Females Just Offer Birth to Boys or Girls? A Genetic Explanation»