The fraternal birth order effect, in which the number of brothers a boy's mother carried before him influences his likelihood of growing up to be gay, is a) the result of social influences from the older brothers. b) the result of a genetic mutation. c) proof that sexual orientation is a matter of choice. d) only apparent in boys who are right-handed.
The fraternal birth order effect, in which the number of brothers a boy's mother carried before him influences his likelihood of growing up to be gay, is a) the result of social influences from the older brothers. b) the result of a genetic mutation. c) proof that sexual orientation is a matter of choice. d) only apparent in boys who are right-handed.
Chapter2: Biological Foundations: Heredity, Prenatal Development, And Birth
Section2.3: Influences On Prenatal Development
Problem 4TY
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