Stephanie'sChapter8

__ Chapter 8 Through Heredity __ __ The Dual Role of Genetic Material(8.1-8.4 p175-p183) __ Probability – the chance that any given event will occur Principle of Segregation – chromosome alleles for one trait do not affect the inheritance of alleles for another trait Alleles – one of two or more possible forms of a gene, each affects the hereditary trait somewhat differently Genotype – are homozygous and heterozygous *Homozygous Dominant BB* *Homozygous Recessive bb* *Heterozygous Bb* Phenotype – is the trait that you see *bb=reinforced recessive* True Breeding – is when you breed homozygous together *P1 – parents; F1 – offspring; F2 grandchildren