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genetics 1
Term | Definition |
---|---|
gene | a unit of heredity that occupies a specific location on a chromosome and codes for a trait |
heredity | the passing of genes from parent to offspring |
allele | one of the various forms of the same gene |
phenotype | the observable characteristics of an organism |
genotype | the name for the genes an organism has |
dominant allele | the allele that is expressed if it is present |
recessive allele | the allele that is expressed ONLY if 2 copies of it are present |