mendelian genetics

Heredirty

Heredity is the passing of physical

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characteristics from parents to offspring.

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Trait

Each different form of a characteristic, such as stem

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height or seed color, is called a trait.

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Genetics

genetics, the scientific

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study oF hereditary

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Fertilization

A new organism begins to form when

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egg and sperm join in the process called

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fertilization.

Pure bred

A purebred organism i s the offspring of many

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generations that have the same trait.

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Gene

gene for

the factors that control a trait.

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Alleles

Alleles (uh LEELZ) are the different forms of a

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gene.

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Dominant allele

A dominant allele is one whose trait

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always shows up in the organism when the allele

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is present.

Recessive allele

recessive allele, on the other hand, is hidden

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whenever the

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dominant allele is present.

Hybrid

hybrid (HY brid) organism has two different

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alleles for a trait.__________________________________