Heredity - the passing of traits from parents to offspring, Genetics - the study of how traits are passed from parents to offspring, Dominant trait - a genetic factor that blocks another genetic factor, Recessive trait - 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, phenotype - how a trait appears or is expressed, genotype - the alleles of all the genes on an organism chromosomes: controls an organism 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, Punnett square - a model tht is used to show the probility of all possible genotypes and phenotypes of offspring,

Genetics and Heredity

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