Heredity & Genetics Flashcard

Front

a characteristic that is inherited

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trait

Front

a different form of a single gene that controls an inherited characteristic

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allele

Front

The allele whose effect is hidden when paired with a dominant allele.

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recessive allele

Front

An organism that has two different alleles for a particular trait

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hybrid

Front

having the presence of two different alleles for the same gene

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heterozygous

Front

a record that shows a pattern of genetic inheritance in a family

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pedigree

Front

The condition in which both alleles of a gene are actively expressed and neither is dominant or recessive.

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codominance

Front

the observable characteristics of an organism's genotype

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phenotype

Front

the condition in which both alleles are partially expressed in a blended appearance of the trait

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incomplete dominance

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having the presence of the same two alleles for the same gene

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homozygous