| A | B |
|---|
| stem cell | an unspecialised cell |
| cancer | uncontrolled cell division |
| cloning | the production of an exact genetic copy of an organism |
| hermaphrodite | an organism that has both male and female sex cells |
| separate sex | the strategy that humans use to produce genetically mixed offspring |
| zygote | a fertilised egg cell |
| sex cells | eggs and sperm |
| hormone | a chemical that acts as a messenger between cells |
| gene | a long section of DNA that codes for a certain characteristic |
| DNA | the genetic material that makes up chromosomes |
| ovulation | release of egg into fallopian tubes |
| menstruation | shedding of uterus lining |
| testosterone | hormone released by testes to produce sperm |
| "puberty" hormones in both males and females | Luteinizing Hormone and Follicle Stimulating Hormone |
| nurse cell | cell that helps care for developing sperm |
| fertilization | sperm and egg unite |
| estrogen and progesterone | hormones released by female reproductive organs |
| conjugation | sexual reproduction in bacteria |
| pistil | female reproductive organ in flowers |
| stamen | male reproductive organ in flowers |
| pollen | male sex cell in flowers |
| fruit | matured ovary holding seeds |
| pollination | the process of getting pollen to a flower's eggs |
| pollinator | any organism that assists with pollination |
