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9 terms

Definitions and Laws- Inheritance

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Phenotype
The observable characteristics of an organism. Normally depends on the organism's genotype and environment.
Genotype
The combination of alleles an organism has.
Allele
A version of a gene.
Co-Dominance
Two different alleles that are both fully expressed in the phenotype.
Incomplete Dominance
Two different alleles that are each partially expresed in the phenotype, creating a blending effect.
Dominant
An allele that is always observed in the phenotype.
Recessive
An allele that is only observed in the phenotype if no dominant allele is present.
Polygenes
Many genes all influencing a characteristic (like height or skin color).
Multiple Alleles
A single gene that has more than two possible alleles.