Question

PLEASE HURRY A mutation occurs when a base in the DNA sequence is replaced by a different base.

Answer 1

If you are asking A BLANK mutation occurs when a base in the DNA sequence is replaced by a different base, the answer is substitution.

Step-by-step explanation:

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Answer 2

Answer: Mutations

Step-by-step explanation:

A substitution mutation occurs when specific bases (A, T, C or G) in a gene are swapped for different ones. This type of mutation doesn't cause a difference in the number of bases like insertion or deletion mutations do. Substitution mutations just switch out one or more bases for different ones.

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