I am one of three siblings; my mother has three siblings, and my father has three siblings. My spouce and I have actually two girls. Almost all of my very first cousins are female—in reality, it is a long-running laugh that ladies take over both edges of my loved ones and that you’ve got the patience of saints if you’re a male in my family (sorry, dad and bro!
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 is born feminine or male. Okay, fine. The“sperm that is fastest” 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 perhaps a family members that’s chock-full of only sons, we wonder: is sex in utero really and truly just 50/50, or do a little women around give birth to really just boys or just girls?
Interested, I asked professionals and also this is just what i then found out…
Which Chromosome Determines the Intercourse associated with the Baby?
According to Dr. Joel Gator Warsh, a Southern California-based pediatrician that is integrative we have no idea why some ladies are apt to have just guys or girls. “The semen determines the intercourse of a child according to if they are holding an X or Y chromosome. Continue reading “How come Some Ladies Just Offer Birth to Boys or Girls? A Genetic Explanation”