3
QuizMultiple Choice

Heredity and Heritability — Unit test

Question 3 • Anatomy & Physiology A

Which statement correctly describes the organization of DNA and its related structures?

Answer
A
DNA is contained in the cell nucleus, and the cell nucleus is contained in chromosomes.
B
DNA is contained in chromosomes, and chromosomes are contained in the cell nucleus.
C
Chromosomes are contained in DNA, and DNA is contained in the cell nucleus.
D
Chromosomes are contained in the cell nucleus, and the cell nucleus is contained in DNA.

Explanation

DNA is packaged into chromosomes, and chromosomes are located inside the cell nucleus. So the correct statement is “DNA is contained in chromosomes, and chromosomes are contained in the cell nucleus.” The other choices reverse or misstate this order.

AI-written and checked against the verified answer.

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