reproduction involving the union of gametes.
reproduction involving the fusion of a male and female haploid gamete
sexual reproduction n.
Reproduction by the union of male and female gametes to form a zygote. Also called syngenesis.
See under reproduction.
sexual reproduction definition
The production of a new living thing by two parent organisms, with each parent contributing half the material in the DNA of the offspring. The young, genetically different from either parent, can rapidly adapt to their environment by means of natural selection. (See chromosomes and meiosis.)
- Sexual revolution
sexual revolution definition A drastic relaxation in general standards of sexual behavior. The most recent occurred in the 1960s and was helped by the introduction of the Pill, an easy and reliable method of preventing pregnancy.
noun, Biology. 1. a special type of natural selection in which the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed. sexual selection noun 1. an evolutionary process in […]
- Sex wagon
noun 1. Tokyo. full name Mosima Gabriel Sexwale. born 1953; South African political activist and businessman