Choose the answer that best describes a gene.

Adifferent allele forms of a trait
Btightly coiled strands of DNA
Cthe center of a chromosome
Da segment of chromosomal DNA

Verified Answer :

I think the correct answer from the choices listed above is option B. A gene is a tightly coiled strands of DNA. A gene is the basic unit of heredity and is made up of DNA. It acts as instructions to make molecules. Hope this answers the question.