3
lesson pretestMultiple Choice

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Question 3 • CMS 2026-2027 Biology CREDIT RECOVERY

Which is defined as a cell structure made of DNA that gives all of the master instructions for the cell?

Answer
A
allele
B
gene
C
chromosome
D
centromere

Explanation

A chromosome is a cell structure made of DNA that carries the cell’s genetic instructions. A gene is only a segment of DNA, an allele is a version of a gene, and a centromere is the region that joins parts of a chromosome.

AI-written and checked against the verified answer.

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