____ is a codominant recessive trait for which, in heterozygous persons, the recessive trait is partially expressed in the phenotype, causing a person's red blood cells to assume an unusual crescent shape.

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Sickle-cell anemia is a codominant recessive trait where the recessive trait is partially expressed in the phenotype of heterozygous individuals, causing red blood cells to assume a crescent shape. This can lead to health problems such as reduced oxygen flow and an increased risk of infection.

____ Is a Codominant Recessive Trait for Which, in Heterozygous