Question

question 24
1 point
studies of identical twins have most clearly increased scientific appreciation for the impact of
a free - floating stress hormones.
b epigenetic marks.
c natural selection.
d gene - environment interactions.

Explanation:

Identical twins have the same genetic makeup. Differences in their development and traits over time can be attributed to differences in the environments they experience. Gene - environment interactions study how genes are expressed differently due to environmental factors, and twin studies help in understanding these interactions.

Answer:

D. gene - environment interactions