âº the skill or trade of a carpenter, or the work done by a carpenter: That staircase is a beautiful piece of carpentry. (Definition of âcarpentryâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press) Translations of âcarpentryâ.
Define reproductive cell. reproductive cell synonyms, reproductive cell pronunciation, reproductive cell translation, English dictionary definition of reproductive cell. A cell whose nucleus unites with that of a cell of the opposite sex to form a new organism. A reproductive cell contains only a single (haploid) set of chromosomes. Animal egg and sperm cells, the nuclei in grains of pollen, and egg cells in plant ovules are all reproductive cells. Also called gamete, sex cell. See Note at mitosis.
Sperm and egg cells are haploid cells, meaning they have half the number of chromosomes as all other cells in the body. Humans have 46 chromosomes, so human reproductive cells will have 23. Sperm and egg cells are haploid cells, meaning they have half the number of chromosomes as all other cells in the body.