A member asked:

Is being gay genetic?

A doctor has provided 1 answer
Dr. Daniel Ziegler answered

Specializes in Emergency Medicine

No and Yes: Best evidence is that sexuality of most gay males is determined while they are still in the uterus. The likelihood of a woman's son being gay increases with each subsequent male child but only right handed males. The first son and all left handed males have a 2% chance of being gay. The third son if right handed is actually more likely to be gay than straight. https://youtu.be/RGnZgC47SLA?t=141

Answered 3/4/2021

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