Molly+and+Nick

=Molly and Nick's Heredity Page=

Gregor Medel was the father of Genetics. He did genetic experiments on pea plants.

Vocabulary

1. Heredity- Passing on of traits from parents to offspring 2. Genetics- Branch of Biology focussed on heredity 3. True Breeding- A plant is true breeding if it only shows one form of a trait after several generations of self-pollination 4. Monohybrid Cross- Cross that involves only one trait 5. Dihybrid Cross- Cross that involves two traits 6. Homozygous-If the two alleles that are presents for a particular gene are the same. (pp) 7. Heterozygous- If the two alleles that are present for a particular gene are different. (Pp) 8. Genotype- Set of alleles (PP) 9. Phenotype- Physical appearance (purple flowers) 10. Punnett Square- A diagram that predicts the outcome of a cross by showing all the possible genotypes and phenotypes. The genotypes of the parents are written across the top and down one side.