Wittney+and+Kody



__Heredity-__ Is the passing of traits from parent to offspring __Genetics-__ Branch of biology that focuses on heredity __True breeding-__ plant that continues to show one form of a trait after several generations of self-pollination __Gregor Mendel-__ Father of genetics; did experiments on pea plants __Homozygous-__ If the two alleles that are present for a particular gene are the same, the individual is this for that trait __Heterozygous-__ Is when the two alleles are different __Genotype-__ The set of alleles an individual has __Phenotype-__ It is the physical appearance on the trait __Law of Segregation-__ Is the two alleles for a trait separate during gamete formation __Law of Independent Assortment-__ The chromosome line up independently the inheritance of one trait isn’t influenced by an other traits because the tetrads and chromosomes line up independently

__Monohybrid Cross-__ Cross that involves one trait. || T || t || || TT Tall || Tt Tall || Tall || tt Short || P1: Tall X Short TT X tt F1: All tall Tt F2: 3:1 tall:short
 * T
 * t || Tt

__Dihybrid Cross-__ Is a cross that involves two traits. P1: Round & Yellow X Wrinkled & Green RRYY rryy F1: All round and yellow RrYy F2: Round/yellow 9 Round/green 3 Wrinkled/yellow 3 Wrinkled/green 1

RY || Ry || rY || ry || RY || RRYY Round/Yellow || RRyY Round/Yellow || rRYy Round/Yellow || rRyY Round/Yellow || Ry || RRYy Round/Yellow || RRyy Round/Green || rRYy Round/Yellow || rRyy Round/Green || rY || RrYY Round/Yellow || RryY Round/Yellow || rrYY Wrinkled/Yellow || rryY Wrinkled/Yellow || ry || RrYy Round/Yellow || Rryy Round/Green || rrYy Wrinkled/Yellow || rryy Wrinkled/Green ||