Genetics Terminology Dominant - trait which stays visible Recessive - trait which disappeared Alleles - alternate forms of a gene for a trait Genotype - genetic makeup of a trait Phenotype - physical appearance of a trait Homozygous - both alleles are the same Heterozygous - two alleles are different

Genetics Terminology Homozygous Dominant – pure dominant Homozygous Recessive – pure recessive Heterozygous Dominant – Hybrid with 1 dominant

Interpreting Problems In a certain plant green leaves are dominant to red leaves. Give the genotype and phenotype for the plant for the following conditions: GenotypePhenotype Homozygous Dominant Homozygous Recessive Heterozygous Dominant

Interpreting Problems In a certain plant green leaves are dominant to red leaves. Give the genotype and phenotype for the plant for the following conditions: Dominant Trait – Green Symbol – G Recessive Trait – Red Symbol – g

Interpreting Problems In a certain plant green leaves are dominant to red leaves. Give the genotype and phenotype for the plant for the following conditions: GenotypePhenotype Homozygous Dominant GG Green Homozygous Recessive gg Red Heterozygous Dominant Gg Green