How much variation in sexual orientation is due to genetic influences?

A) roughly 33 percent
B) almost 50 percent
C) roughly 60 percent
D) Genes have no influence on sexual orientation.

Genetic Influences

Effects on the phenotype or characteristics of an organism due to the expression of genes inherited from its parents.

Sexual Orientation

A lasting pattern of attraction that can be emotional, romantic, or sexual toward men, women, both genders, neither gender, or a different gender, coupled with a personal identity that aligns with these attractions.