What is somatic DNA recombination? How is it used by the cell in DNA repair?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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What is somatic DNA recombination? How is it used by the cell in DNA repair?
A pregnant mouse is exposed to high levels of a chemical. Many of the mice in her litter are deformed, but when
they are interbred with each other, all their offspring are normal. Which two of the following statements could
explain these results?
A.
In the deformed mice, somatic cells but not germ cells were mutated.
B. The original mouse's germ cells were mutated.
C. In the deformed mice, germ cells but not somatic cells were mutated.
D. The toxic chemical affects development but is not mutagenic.
Transcribed Image Text:What is somatic DNA recombination? How is it used by the cell in DNA repair? A pregnant mouse is exposed to high levels of a chemical. Many of the mice in her litter are deformed, but when they are interbred with each other, all their offspring are normal. Which two of the following statements could explain these results? A. In the deformed mice, somatic cells but not germ cells were mutated. B. The original mouse's germ cells were mutated. C. In the deformed mice, germ cells but not somatic cells were mutated. D. The toxic chemical affects development but is not mutagenic.
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