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The passing of physical characteristics from parents to offspring


A characteristic of an organism


An organism which previous generations posses the same trait


The factors that control a trait


The different form(s) of a gene


An organism with two different alleles for a trait

Dominant Allele

An allele whose trait always shows up in the organism when the allele is present

Recessive Allele

An allele that is masked when a dominant allele is present

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