1. The cross between a smooth seed pea plant and a wrinkled seed pea plant will produce all smooth seed offspring in a 3:1 phenotypic ratio and a 1:2:1 genotypic ratio. 2. The cross between a purebred short pea plant and a homozygous tall pea plant will produce all tall offspring in a 1:0 phenotypic ratio and a 0:1 genotypic ratio. 3. The cross between a heterozygous woman with freckles and a man without freckles will produce a 1:1:1:1 phenotypic ratio and a 1:2:1:2 genotypic ratio for freckled and unfreckled children.