click below
click below
Normal Size Small Size show me how
genetics(wells)
| Question | Answer |
|---|---|
| list the 3 types of mutation | x-ray uv-ray high-enrgy radition |
| what type of mutation caouses sickle | valine |
| recessive | the gene that is expressed only if the the dominant gene is not present |
| trait | a physical characteristic like eye color, hair color |
| gametes | sex cell or reproductive cells. |
| heredity | the passing of traits from generation to generation |
| genotype | the type of genes an organism has |
| phenotype | the physical appearance of an organism |
| homozygous or purebred | both copies of gene are the same |
| heterozygous or hybrid | has 2 forms of the gene (allele) that are different |
| probability | the likelihood of somthing happening |
| punnet square | a chart that shows all the possible combinations of the genes from a genetic cross. |
| karyotype | is a picture of the pairs of chromosomes |
| mitosis | is a type of cell division that makes 2 regular body cells with a full set of chromosomes |
| meiosis | is a type of cell divisison that makes 4 sex cells witha half a set of chromosomes |
| genes | the areas on chromosomes that control traits |
| alleles | the different forms of a gene |