Nursing Across The Lifespan Exam 1 Practice

Which term is defined as DNA sequence of a gene?

genome chromosome gene allele

Correct Answer:

allele

Explanation:

A gene is defined by a specific sequence of nucleotides in DNA that encodes a product, often a protein or RNA. An allele is a variant form of that same gene at a particular locus, meaning different versions of the gene can have different sequences, but they are variants of the gene itself. The whole genome is the complete set of genetic material, and a chromosome is a DNA molecule carrying many genes. So the term that best fits “DNA sequence of a gene” is the gene.

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