| A | B |
|---|
| asexual reproduction | a type of reproduction in which a new organism is produced from one parent |
| chromosone | threadlike strands of DNA and protein in a cell nucleus that crry the code for the cell characteristics of an organism |
| clone | an individual that is genetically identical to one of its parents |
| DNA | a chemical in the nuclei of cells tht codes and stores genetic information |
| egg | the sex cell from the female parent |
| fertilization | fusion of an egg and a sperm |
| gene | the segment of DNA on a chromosome that directs the making of a specific protein, thus controlling traits that are passed to offspring |
| meiosis | the division of the cell nucleus to produce sex cells |
| mitosis | the process of cell division in which two "daughter" cells receive exactly the same number of chromosones as the original cell |
| mutation | any permanent change in an organism's genetic material |
| RNA | carries codes for making proteins |
| sexual reporduction | a type of reproduction in which a new organism is produced by combining sex cells from two parents |
| sperm | the reproductive cell from the male parent produced in the testes |
| zygote | the cell that forms in fertilization |
