Thanks, Mom!

The Straight Dope: Is male pattern baldness inherited? Who’s to blame?:

… Men are more prone than women to X-linked abnormalities because they receive an XY chromosome combination while women get XX. In women, a recessive abnormality on one X chromosome will likely be masked by a dominant normal gene on the other. Men, however, have only one X chromosome–their other sex chromosome, remember, is a Y. That means an X-linked abnormality, e.g., the aforementioned baldogenic variation in the AR gene, won’t be masked and has a greater chance of being expressed, one reason you see a lot fewer balding women than balding men.

My getting a haircut makes people think about my hair. I go from have a small afro to fairly short one random day. Some people take years to get used to this event.
🙂

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