| Answer | Crossword Clue |
|---|---|
| heterogametes | HETEROGAMETE, male and female sex cells are different |
| heterogamete | male and female sex cells are different |
| heterogametic | Denoting the sex that has sex chromosomes that differ in morphology, resulting in two different kinds of gamete, e.g., (in mammals) the male and (in birds) the female |
| contraception | The deliberate use of artificial methods or other techniques to prevent pregnancy as a consequence of sexual intercourse. The major forms of artificial contraception are: barrier methods, of which the commonest is the condom; the contraceptive pill, which contains synthetic sex hormones that prevent ovulation in the female; intrauterine devices, such as the coil, which prevent the fertilized ovum from implanting in the uterus; and male or female sterilization |
