Genes - Segments of DNA that control which proteins get made; codes for a trait
Gregor Mendel - Monk who discovered Genetics by breeding pea plants
Phenotype - physical trait
Genotype - Alleles one receives from biological parents
Allele - A version of a gene
Dominant - An allele which requires only one copy in the genotype to show up in the phenotype
Recessive - An allele which requires the absence of a dominant gene to show up in the phenotype
Heterozygous - Aa; one dominant and one recessive allele
Homozygous Dominant - AA
Homozygous Recessive - aa
Pedigree - A chart or "family tree" that tracks which members of a family have a particular trait
Punnett Square - diagram showing the gene combinations that might result from a genetic cross
chromosome - DNA organized around proteins
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