Research suggests that relative finger length and sexual orientation are correlated. This is likely because both factors are affected by
A) prenatal estrogen levels.
B) nutrition during childhood.
C) prenatal testosterone levels.
D) a gene on the X-chromosome.

Question

Quizplus · Accepted Answer

Research has shown that the relative lengths of the index and ring fingers are determined by the levels of prenatal hormones, particularly testosterone. This hormone also appears to play a role in the development of sexual orientation. Therefore, the correlation between finger length and sexual orientation is likely due to shared effects of prenatal testosterone levels.

Research Suggests That Relative Finger Length and Sexual Orientation Are