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Recessive

Phenotype

Gene

Allele

Dominant

Heterozygous

Trait

Mutation

Homozygous

Genotype

a different form of a characteristic

an allele whose trait is hidden when the dominant allele is present

the different forms of a gene

an organism's genetic makeup, or allele combinations

an organism with two different alleles for trait

an organism with two identical alleles for a trait

an organism's physical appearance or visible traits

the factors that control a trait

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

a change in a DNA sequence