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Rep. of Org Vocab 1
Inheritance Vocab
Term | Definition |
---|---|
phenotype | how a trait appears or is expressed |
heredity | the passing of traits from parents to offspring |
genetics | the study of how traits are passed from parents to offspring |
dominant | a genetic factor that blocks another genetic factor |
recessive | a genetic factor that is blocked by the presence of a dominant factor |
gene | a section of DNA on a chromosome that has genetic information for one trait |
allele | a different form of a gene |
genotype | the alleles of all the genes on an organism's chromosomes; controls an organism's phenotype |
homozygous | a genotype in which the two alleles of a gene are the same |
heterozygous | a genotype in which the two alleles of a gene are different |
pedigree | a model that shows genetic traits that were inherited by members of a family |