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Heredity
| Term | Definition |
|---|---|
| Gregor Mendel | the monk who studied pea plants and research heredity and genetic traits |
| heredity | the passing of inherited characteristic from generation to generation |
| DNA | the chemical code inside each cell that determines a person's traits A-T C-G |
| Dominate traits | A genetic trait that appears in the first generation (child) and covers up the recessive |
| Recessive traits | A weaker trait covered up by a dominate trait in the first generation. It show up in 2nd (grandchild) or later generations |
| gene | One set of instructions an inherited trait on the chromosomes |
| alleles | a different form of the same gene, (ex. hair color) that controls an inherited traits. |
| Genotype | the genes and inherited instruction for organism. Not all can be seen |
| Phenotype | the physical inherited characteristics that can be seen in a organism, such as hair, eye, skin color. |
| punnet square | a chart that can predict all the possible combinations of offspring from particular parents |
| pedigree chart | a diagram used to trace inherited traits throug many generations of a family |
| homozygous traits | Inheriting 2 of the same genes for a genetic trait (purebred) Example: BB for brown eyes or bb for blue eyes. |
| heterozygous traits | Inheriting 2 different genes for a genetic trait. (hybrid) exammples: BB for brown eyes. |