While explaining the individual differences in physical traits in the family group, the health care provider states this is usually a result of:
A) An enzyme interfering with DNA sequence
B) An environmental chemical exposure
C) Small DNA sequence variation
D) Ischemia within the cell wall
Ans: C
Feedback:
It is the small DNA sequence variation (1 in every 1000 base pairs) that is thought to account for the individual differences in physical traits, behaviors, and disease susceptibility. Enzyme interference, chemical exposure, and ischemia are not believed to be responsible for these differences.
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