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Definitions:

Homozygous

Having two identical alleles for a trait.

Alleles

Variations of a gene that occur on the same place on a chromosome, contributing to the diversity of phenotypes in a population.

Sickle-Cell Anemia

Sickle-cell anemia is a genetic blood disorder characterized by red blood cells that assume a rigid, sickle shape, leading to poor oxygen delivery, pain, and potential complications.

Genetic Mutation

A genetic mutation is a permanent alteration in the DNA sequence that makes up a gene, potentially leading to variations in physical traits or health conditions.