A Scientist Uses Polymerase Chain Reaction (PCR)to Compare the Sequence

question 1

Multiple Choice

A scientist uses polymerase chain reaction (PCR) to compare the sequence of a disease 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)

• A)deletion.
• B)insertion.
• C)silent mutation.
• D)substitution mutation.

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Definitions:

Nausea

A sensation of unease and discomfort in the stomach with an urge to vomit.

Celiac Disease

An autoimmune disorder where ingestion of gluten leads to damage in the small intestine.

Quinoa

A grain crop known for its edible seeds, which are rich in protein, fiber, and various vitamins and minerals.

Wild Rice

A type of grass that produces edible grains, often found in shallow water or flood plains, and considered a delicacy in many cuisines.