Pedigrees Lecture Notes

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Flashcards covering the key vocabulary and concepts from the pedigrees lecture notes.

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9 Terms

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Pedigree

A diagram that shows the genotypes and phenotypes of organisms from one generation to the next; similar to a family tree.

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Square

Represents a male in a pedigree.

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Circle

Represents a female in a pedigree.

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Horizontal Line

Indicates that two individuals are parents and have offspring.

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Dominant Trait

When both parents and offspring have a trait, the trait is…

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Recessive Trait

If offspring have a trait but parents don’t, the trait is…

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Sex-linked Pedigree

If mostly males are affected, the pedigree is…

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Autosomal Pedigree

If both males and females are affected equally, the pedigree is…

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Carriers

Individuals that are heterozygous for a trait.