| A | B |
|---|
| oogenesis | process of origin, growth and formation of ovum in ovary during preparation for fertilization |
| ovulation | second stage of the menstrual cycle, when a ripe egg cell is released from an ovarian follicle cell |
| perineum | area between the vagina and the rectum |
| puberty | age when reproductive organs become functional |
| spermatogenesis | the process of the formation of sperm |
| spermatozoa | the male gametes |
| zygote | organism produce by union of two gametes |
| gene | part of chromosome that transmits a specific hereditary trait |
| gene mutation | production of a new or altered gene |
| genetics | the branch of biology that studies the science of heredity and the difference and similarities between parents and offspring |
| lethal gene | a gene that results in death |
| somatic cell mutaiton | alterations that occur within individual body cells |
