A sequence of DNA that codes for a protein and determines a trait is known as a what?

A sequence of DNA that codes for a protein and determines a trait is known as a what?

• A. Dominant allele
• B. Genome
• C. Gene
• D. Allele

Answer: (C)

A gene is a specific segment of DNA whose sequence is transcribed and translated into a product that influences an organism’s traits. When a DNA sequence codes for a protein and that product affects phenotype, that sequence is a gene. The genome is the entire set of genetic material, not just one gene; an allele is a variant form of a gene, and a dominant allele is a version that can mask the effect of another allele. So the described sequence fits the definition of a gene.

A gene is a specific segment of DNA whose sequence is transcribed and translated into a product that influences an organism’s traits. When a DNA sequence codes for a protein and that product affects phenotype, that sequence is a gene. The genome is the entire set of genetic material, not just one gene; an allele is a variant form of a gene, and a dominant allele is a version that can mask the effect of another allele. So the described sequence fits the definition of a gene.