Bio Do Now What is the relationship between alleles, genotype, and phenotype? Write down an example of a genotype that is: Homozygous dominant Homozygous recessive Heterozygous

Traits Observable characteristic Determined by protein shape which is determined by our genes that we get from our parents

Genetics Study of how traits are passed from parent to offspring

Mendel’s experiments Traits are observed separately from each other Chose traits that had two distinct phenotypes Took data, saw a consistent pattern

Law of Segregation Organisms donate only one copy of each gene in their gametes. The two copies of each gene segregate, or separate during meiosis Organisms inherit 2 copies of each gene, one from each parent A a Meiosis A a A a

Homozygous dominant /Homozygous recessive Genotypic ratios Phenotypic ratios

Heterozygous/Heterozygous Genotypic ratios Phenotypic ratios

Heterozygous /Homozygous recessive Genotypic ratios Phenotypic ratios