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30 points!! please help me!!

Which of the following statements is true?

Human body cells have 23 chromosomes.
Mutations are always harmful.
Genes have their own special place on a chromosome.
Adenine pairing with thymine will cause a mutation.

User Ducktyped
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2 Answers

5 votes
First one is right pls mark
User Kingsley Adio
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1 vote
I’m pretty sure the first one is right.
User Tiombe
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