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Mrs. Nazario's class

Unit 4 Molecular Genetics 2

Dominant gene A gene which produces its effect even though an opposite gene is present
Hybrid The offspring resulting from a cross between two organisms differing in one or more genes
Incomplete dominance A condition in which neither gene is dominant so that an intermediate or blended hybrid is produced. Example: red Four o'clocks crossed with white Four o'clocks to produce pink Four o'clocks
Inherit To receive traits from an ancestor
Multiple genes Several genes which affect a trait
Purebred An organism having the same genes for a particular trait. Example: TT is a purebred as opposed to Tt which is a hybrid
Recessive gene A gene carried by the cells that does not show its trait as long as a dominant gene is present. Example: blue eyes are recessive and will not show their trait as long as brown eyes are present
Created by: garnazbat



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