An organism's physical characteristics are called

The passing of traits from parents to offspring is called

Gregor Mendel is known as the Father of ________________, the study of heredity.

A ____________________ plant is one that always produces offspring with the same form of a trait as the parent.

Different forms of genes are called

Factors that control traits are called

An organism's ________________ is its genetic make-up or allele combination. (Example, Aa, AA, aa)

An organism that has two identical alleles for a trait is said to be ____________. (Example AA, aa)

An organism that has two different alleles for a trait is said to be _________. (Example Aa)

In __________, the alleles are neither dominant or recessive, and both alleles are expressed in the offspring. (Example - blue fish + yellow fish = blue fish with yellow spots)

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