Twin studies indicate that |
A | ) | there is a genetic basis for homosexuality in males as well as in females. | |
B | ) | early family environment is more important than genes for the development of homosexuality. | |
C | ) | a male child whose older twin sisters are heterosexual is more likely to be homosexual. | |
D | ) | homosexual women are likely to have homosexual male relatives. | |
E | ) | identical male twins are less likely to be concordant for homosexuality than are fraternal male twins. |