Elvira continued to smoke when she was pregnant with Darcy.As an infant,Darcy's ability to handle stress was weakened.This best illustrates the impact of
A) digestive enzymes.
B) stress hormones.
C) epigenetic marks.
D) natural selection.

Question

Quizplus · Accepted Answer

The scenario illustrates the impact of epigenetic marks, which are chemical modifications to DNA that can change gene expression without altering the DNA sequence itself. These marks can be influenced by environmental factors, including the mother's behaviors during pregnancy, and can affect the offspring's development and stress response.

Elvira Continued to Smoke When She Was Pregnant with Darcy