A photon of ultraviolet light hits double-stranded DNA and creates a covalent cross-link between adjacent thymines in the same strand (a thymine dimer) . What is likely to happen?
A) The cell will die.
B) The cell will divide, but the daughter cells will be mutant.
C) The DNA strand with the thymine dimer will not be able to be replicated.
D) The DNA strand will replicate, but the daughter strand will carry an adenine dimer.
E) The thymine dimer will be repaired by enzymes that break the cross-link.
Correct Answer:
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