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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 part of a gene that attaches to messenger RNA molecules
C. An allele is a segment of a DNA molecule that controls replication of a gene.
D. An allele is the primary protein maybe by a gene found in a developing embryo

Respuesta :

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

Explanation:

Genes are the specific sequences of DNA that code for a particular protein in organisms. When the fertilization occurs each parent contributes one chromosome which is homologous this means that both will have genes on the particular loci. The alleles of the particular genes will come together to express the trait.

Allele is an entity of gene which determines how the gene will express the particular trait like tall, short, round, wrinkle etc. It can be said that allele determines the phenotypic trait of a particular gene.

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