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The passing of genetic traits from parent to offspring

Gregor Mendel

An Austrian monk who discovered the principles of heredity while studying pea plants

Dominant Trait

A trait that will appear, overriding or covering over another form of that trait when they are both inherited

Recessive Trait

A trait that is covered over by a dominate trait and seems to disappear


One set of instructions for an inherited trait located on a chromosome and can be dominate or recessive


One of the alternative forms of a gene that determines characteristics


An organism's physical appearance or visible characteristics as determined by the genotype


The entire genetic makeup of an organism; the combination of genes for one or more


Refers to alleles that are either both dominate or both recessive


The description of a genotype when one of the alleles is dominant and one is recessive


The mathematical chance that something will happen, often written as a fraction or percentage

Incomplete Dominance

When one trait is co-dominate with another and each allele of a gene has its own degree of influence in the offspring.

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