Genes are regions of DNA within each chromosome. Which option correctly identifies these units?

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Multiple Choice

Genes are regions of DNA within each chromosome. Which option correctly identifies these units?

Explanation:
Genes are the basic units of heredity on chromosomes, consisting of a specific DNA segment that carries the instructions to produce a functional product, usually a protein or RNA. Alleles are different forms of a gene at the same location, contributing to variation but not defining the fundamental unit itself. Nucleotides are the individual building blocks of DNA, while proteins are the end products encoded by genes. Therefore, the unit described is a gene.

Genes are the basic units of heredity on chromosomes, consisting of a specific DNA segment that carries the instructions to produce a functional product, usually a protein or RNA. Alleles are different forms of a gene at the same location, contributing to variation but not defining the fundamental unit itself. Nucleotides are the individual building blocks of DNA, while proteins are the end products encoded by genes. Therefore, the unit described is a gene.

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