Answer:
ectomorphs, endomorphs, and mesomorphs
Male has sex chromosomes: One X + one Y
Female has sex chromosomes: Two X
So, Female must contribute by one X chromosome, but male can contribute either by X or Y, if he sends, X chromosome, then Female (Girl) will form, but if he sends Y chromosome, then Male (Boy) will form
Hope this helps!
Bro im jus gonna be straight up w you i want to help you but i cant becuase i have no idea what that is