Gamete (noun)

1. A reproductive cell that unites with another cell during fertilization (conception) in organisms that reproduce sexually.
2. A sperm or egg cell that is formed in the gonads and carries half the genetic information needed for the formation of a new organism.

Origin:

Late 19th century: from greek gamētēs "husband, wife", from gamos "marriage".

Examples:

1. Gametes are produced through meiosis.
2. The sperm and egg are both types of gametes.
3. Gametes are necessary for sexual reproduction.
4. Gametes carry half the genetic information of an organism.
5. Gametes are formed in the gonads and play a critical role in reproduction.