A heritability estimate of 0 means that variation in the trait being measured
A) is determined by the genes.
B) can be attributed to differences in the environment.
C) cannot be reliably estimated.
D) can be explained by genetic variation in the population.
B) can be attributed to differences in the environment. A heritability estimate of 0 indicates no variation in the trait can be linked to variations in genes across people.
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Marc and Johanna are engaged to be married. When asked to describe their relationship, they respond by saying it is based on affection and trust. This response reflects which kind of love?
a. Emotional love b. Attractive love c. Companionate love d. Passionate love
What is the term for the condition in which a person is born with both male and female sex organs?
a) homosexuality b) bisexuality c) intrasexualism d) true hermaphrodite