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C&H 3-1 Vocab

Vocab for Cells and Heredity Ch 3, section 1

Trait physical characteristics controlled by a gene
heredity passing of traits from parent to offsprings
genetics The scientific study of Heredity
purebred An organism that always produces offspring with the same form of a trait as the parent
gene factors that control traits
allele a different form of a gene
dominant trait when it is present, the form of the trait that it controls is always present.
recessive alleel This trait is only shown when there are two copies of the allele
hybrid an organism that has both forms of the allele present.