Question

Which statement best describes the relationship between an allele and a gene?

A
An allele is a variation of a gene that can be expressed as a phenotype.

B
An allele is a segment of a DNA molecule that controls replication of a gene.

C
An allele is the primary protein made by a gene found in a developing embryo.

D
An allele is the part of a gene that attaches to messenger RNA molecules.

Answer 1

A) an allele is a form of a gene. There are at least two alleles for any given gene.

Step-by-step explanation: