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Biology Genetics
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Allele
One or more alternative forms of a gene, represented by a letter which can be either dominant or recessive.
Dominant
A trait that’s expressed even if you have 1 dominant allele, represented by a capital letter relative to the trait.
Recessive
A trait that’s hidden unless you get two recessive alleles, represented by a lower-case letter based on the dominant.
Homozygous
Two of the same allele (Homosexuals date the same gender)
Heterozygous
Two different alleles (Heterosexuals date different genders)
Genotype
The genetic makeup of an organism
Phenotype
The physical appearance of the genotype