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Which materials are composed of DNA?

(1) proteins
(3) nerve secretions
(2) genes
(4) fluid in vacuoles

User Jagershark
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1 Answer

8 votes

The correct answer is (2) genes.

In biology, gene refers to the unit of heredity that is passed from the parent into the offspring. It is composed of small sections of DNA that code the genetic instructions or information.

User Bdv
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