Question

Choose the best definition of allele.

Answer 1

Answer:

A.

Explanation:

An allele is a variant form of a given gene.

Answer 2

Answer:

The correct answer is option A. one of several possible versions of a gene, which each produce a different phenotype.

Explanation:

The variant forms of a particular gene which form different phenotype are known as an allele. Alleles can be dominant or recessive in nature.

If any organism is heterozygous than the dominant allele will be expressed phenotypically.

Thus, the correct answer is an option is A.