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A scientist uses polymerase chain reaction (PCR) to compare the sequence of a disease gene and a healthy gene. The scientist finds that these two genes are identical except for one G in place of a T at position 256 in the gene. This type of mutation is a(n)________

Respuesta :

Histrionicus

Answer:

The correct answer would be - point mutation.

Explanation:

Point mutation occurs when there is a change or alteration in one base pair in the DNA sequence is altered. In the given question there is only one base pair that is altered to Guanine from thymine.

It is a mutation that takes place due to mistakes or errors in the process of DNA replication. Other then the error in this condition can be induced by exposure to the radiation of X rays and UV rays.

Thus, the correct answer is - point mutation.

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