| A | B |
|---|
| What is the name for the passing of traits from parents to offspring? | heredity |
| What is the study of how traits are passed from parents to offspring? | genetics |
| How many kinds of chromosomes are found in each cell? | two of each kind of chromosome |
| What is it called when a cell has two identical genes for a trait? | pure |
| What is it called when the cell has two different genes for a trait? | hybrid |
| What is the more important or stronger form of a gene called? | the dominant form |
| What is the less important or weaker form of a gene called? | the recessive form |
| How are dominant genes written? | using capital letters |
| How are recessive genes written? | using lower case letters |
| What is a genetic cross? | a mating between two living things of the same species |
| What kind genes would the offspring have if both parents were KK for a trait? | all would have KK genes for that trait |
| What kind of genes would the offspring have if both parents were kk for a trait? | all would have kk genes for that trait |
| What kind of genes would the offspring have if one parent was KK and the other was kk for a trait? | all offspring would be Kk for the trait |
| How many of the offspring would be kk if one parent was Kk and the other was Kk for a trait? | one fourth would be kk for the trait |
| How different would two tall plant look if one was TT and the other was Tt for the tallness? | they would both look tall |
| What is it called when a gene suddenly changes? | a mutation |
| Are mutations usually helpful or harmful? | usually harmful |
| State a reason why mutations can be beneficial? | they provide change ... possibly for the improvement of the species |
