contestada

Exogamy is adaptive because it
A.increases the number of individuals that one can rely upon in times of need.
B. increases the likelihood that disadvantageous alleles will find phenotypic expression and eliminate them from the population.
C.impedes peaceful relations among social groups and therefore promotes population expansion. was an important causal factor in the origin of the state.
D.reduces the gene pool of a community.

Respuesta :

Answer: The correct answer is A. It increases the number of individuals that one can rely upon in times of need.

Explanation:

Exogamy in humans means the act of marrying outside of the social group.

Exogamy is considered to be evolutionary adaptative thanks to various reasons. First, in biological terms. it reduces the risk of inbreeding, thus lowering the risk of having offspring with genetic defects. Second, in psychosocial terms it allows the individual to count with more people in difficult times, which lowers levels of anxiety and stress.

In conclusion, one of the reasons why exogamy is adaptative is because it increases the number of individuals that one can rely upon in times of need.

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