Describe the Relationship Between Overall DNA Change and Functional Change

question 9

Essay

Describe the relationship between overall DNA change and functional change.

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Definitions:

Dominance

In genetics, the phenomenon where one variant of a gene (allele) masks or overrides the expression of a different allele at the same locus.

Recessive Allele

An allele that produces its characteristic phenotype only when its paired allele is identical.

Heterozygous

A genetic condition where an individual has two different alleles at a specific locus on a chromosome, resulting in a mixture of genetic information for a particular trait.

Achromatopsia

Achromatopsia is a rare, non-curable eye condition characterized by total color blindness, visual acuity loss, and light sensitivity due to the absence or malfunction of cone cells in the retina.