Vocabulary Get the definitions for the following terms from your text:

Law of Segregation Organisms inherit ________ ______of each gene, one from each ___________ Organisms donate ________ _______ ________of each gene in their gametes Two copies of ______ _________ ___________, or separate, during ____________ ____________

Segregation and Inheritance

Traits Studied by Mendel

Flower Color In pea plants: _______________________________________________________ _____________________________

Genotype vs. Phenotype GenotypePhenotype BB_____________________ Bb______________________ bb______________________

A Punnett Square

CF -__________ ______________ ______________ ______________

Punnett Square G Gg g Carrier mother Carrier father GGGg gg 25% 50% 25% Child with CF

Autosomal Recessive: A _____________

Inheritance of an Autosomal ___________ ___________

__________ __________ red white pink In snapdragons red flower color is due to gene (R) and white to its corresponding allele (r). The heterozygous (Rr) condition results in pink flower color. This is referred to as “incomplete dominance.”