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Heredity
Term | Definition |
---|---|
Gregor Mendel | The monk who studied pea plants and researched heredity and genetic traits |
Heredity | The passing of inherited characteristics from the generations to generations |
DNA | The chemical code inside each cell that determines a persons traits A-T C-Gin t |
Dominant trait | A genetic trait that appears in the first generation and covers up the recessive |
Recessive | A weaker , covered up by a dominant trait generation. It shows up in the 2nd grand child or later generation |
Gene | One set of instructions of an inherited trait on the chromosones |
Alleles | A different form of the same gene, (ex, hair color) that controls an inherited trait |
Genotype | The genes and inherited instructions for organisms. Not all can be seen |
Phenotype | The physical inherited characteristics that can be seen in a organism, such as hair, eye and skin color |
Punnet Square | A chart that can predict all possible combinations of offspring from particular parents |
Pedigree chart | A diagram used to trace inherited traits through many generations of family |
Homozygous traits | Inheriting 2 of the same genes for a genetic trait |
Heterozygous | Inheriting 2 different genes for a genetic trait |