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Asked by Samantha Rubio on Jul 02, 2024

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Alcohol may cause fetal damage by leaving chemical marks on DNA that switch genes abnormally on or off.This best illustrates

A) habituation.
B) reflexive rooting.
C) an epigenetic effect.
D) neural networking.

Epigenetic Effect

Changes in gene expression caused by mechanisms other than changes in the DNA sequence, influenced by environmental factors, behaviors, and lifestyle.

Chemical Marks

Biologically significant molecules that attach to DNA or proteins and play a role in gene expression and regulation.

DNA

Deoxyribonucleic acid, a molecule containing the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

  • Comprehend the fundamentals of epigenetics and the impact of environmental factors on the modulation of gene expression from prenatal development onward.
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AL
Anjaneyulu Lanke7 days ago
Final Answer :
C
Explanation :
This question is referring to the concept of epigenetics, which is the study of how environmental factors can affect gene expression without actually changing the genetic code itself. Alcohol exposure is one example of an environmental factor that cancause changes in gene expression through epigenetic effects, such as leaving chemical marks on DNA. Choice C, "an epigenetic effect," is the best answer to describe this phenomenon.

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