Studies of identical twins (siblings who share the same genetic makeup) and frat
ID: 3497529 • Letter: S
Question
Studies of identical twins (siblings who share the same genetic makeup) and fraternal twins (siblings who do not share the same genetic makeup) and sexual orientation found: a) When one identical twin identifies as homosexual, the other identical twin almost always identifies as heterosexual, suggesting sex orientation is caused by individual choice. b) Identical twins almost always share the same sexual orientation, suggesting sex orientation is caused by genetics. c) There were no differences between differences between identical twins and fraternal twins and likelihood of both sharing the same sexual orientation. d) A higher percent of identical twins both identified as ga* relative to fraternal twins, who were more likely to have one sibling who is ga* and the other who is not.
Explanation / Answer
The correct answer is Option C. Twin studies show that there were no differences between differences between identical twins and fraternal twins and likelihood of both sharing the same sexual orientation.