| A | B |
|---|
| asexual reproduction | reproduction where all genes passed on to the offspring come from a single individual parent |
| cloning | a technique used to make identical organisms |
| differentiation | the process that transforms developing cells into specialized cells with different structures and functions |
| egg | a sex cell produced by a female |
| embryo | an organism in the early stages of development (before birth)ges of |
| estrogen | a hormone, produced by the overies, that controls female sexual development and the reproductive process |
| expressed | the way that a gene is seen in an organism as an actual physical trait |
| fertilization | the process that combines a sperm cell and an egg cell |
