genetics - The study of heredity and variation., gene - A length of DNA that codes for the production of a polypeptide molecule., allele - Different varieties of the same gene., dominant - Allele whose effect on the phenotype of a heterozygote is identical to its effect in a homozygote., recessive - Allele that is only expressed when no dominant allele is present., homozygous - Having two identical alleles of a gene., heterozygous - Having two different alleles of a gene., genotype - The alleles possessed by an organism., phenotype - The observable characteristics of an individual resulting from an interaction between its genotype and its environment., monohybrid - Cross showing the inheritance of just one gene., dihybrid - Cross showing the inheritance of two genes at once., codominance - Both have an effect on the phenotype of a heterozygous organism., incomplete dominance - Intermediate inheritance in which one allele for a specific trait is not completely expressed over its paired allele.,

GENETIC TERMINOLOGIES

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