briaraymond2023 briaraymond2023

17-04-2021
Biology

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Below are two sequences of a segment of DNA.

Normal sequence CAT TAC ACC
Mutated sequence CTT TAC ACC

Which type of mutation has occurred?
Choose 1 answer:

A deletion is the removal of a nucleotide from a DNA sequence.

(Choice B)

B

Nonsense mutation

(Choice C)

C

Insertion mutation

(Choice D)

D

Substitution mutation

Respuesta :

julietar1001 julietar1001

17-04-2021

Answer:

D

Explanation:

CAT= CTT

A was substituted by T

It didn't stop, can't be B

It didn't add more letters to the sequence, can't be C

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