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If male sexual orientation (homosexual versus heterosexual) has a heritability of 0.5, what does that mean? Select one: a. 50% of people who identify as homosexual have genes for male homosexuality. b. 50% of the population variability in male sexual orientation is due to individuals having different genes. c. An individualâs homosexuality is caused 50% by his genes and 50% by his environment. d. More than one of the above is true e. None of the above is true
1a) Describe the relationship between birth order of males and sexual orientation.
b) Why do you think that birth order could possibly have an effect on males sexaul orientation?
