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snow_tiger [21]
2 years ago
5

How does stress affect a person's genetics and DNA? (answer in paragraph form -- at least 8 sentences)

Biology
1 answer:
Y_Kistochka [10]2 years ago
6 0

Answer:

Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.

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So we can say that the goal o earlier classification system were just to make groups of organisms on the basis of External features.

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Hope it helps!

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Explanation:

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