| A | B |
|---|
| gamete | unfertilized cell |
| spermatogenesis | production of sperm |
| oogenesis | production of ova |
| zygote | fertilized cell |
| decidua | endometrium after implantation |
| x chromosome | female gene |
| y chromosome | male gene |
| mitosis | produces identical replication |
| meiosis | produces 4 unique sex cells |
| fertilization | merging of egg and sperm |
| embryo | offspring between 2-8 weeks in utero |
| fetus | offspring after 8 weeks in utero |
| placenta | fetal organ for respiration plus |
| Wharton jelly | covers, cushions cord vessels |
| age of viability | 20 weeks gestation |
| gametogenesis | creation of an unfertilized sex cell |
| amniotic sac | surrounds the fetus in utero |
| monozygotic | identical twins |
| dizygotic | fraternal twins |
| chorion | becomes fetal side of placenta |
