Medelian Genetic Principle #1The traits of an organism are determined by its genes
Mendelian Genetic Principle #2Each organism has two alleles that make up the genotype for a given trait
Mendelian Genetic Principle #3In sexual reproduction, each parent contributes just one of their alleles to its offspring
Mendelian Genetic Principle #4In each genotype there is a dominant allele. If it exists in an organism, the phenotype is determined by that allele
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