Question

multiple - choice question an allele is a..... phenotype dominant trait recessive trasit variation of a gene

Explanation:

An allele is a variant form of a gene. A phenotype is the observable physical or physiological traits of an organism. A dominant or recessive trait refers to how an allele is expressed in relation to other alleles. Since an allele is a variation of a gene, the correct answer is based on this key - concept in genetics.

Answer:

D. variation of a gene