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iris [78.8K]
3 years ago
9

A scientist observes thymine-thymine pairing in DNA instead of the expected thymine-adenine nucleotide pairing. What is most lik

ely to have caused this change?
A. a mutation in a gamete

B. nondisjunction of chromosomes

C. a new gene resulting from crossing over

D. mutations induced by the environment
Biology
1 answer:
Harrizon [31]3 years ago
8 0

Answer:

c

Explanation:

becuse it is

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