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Gametes are an organism's reproductive cells, also referred to as sex cells.[2] The name gamete was introduced by the German cytologist Eduard Strasburgerin 1878. [3] Gametes of both mating individuals can be the same size and shape, a condition known as isogamy. By contrast, in the majority of species, the gametes are of different sizes, a ...
Gonochorism. Hermaphrodite. v. t. e. Gametogenesis is a biological process by which diploid or haploid precursor cells undergo cell division and differentiation to form mature haploid gametes. Depending on the biological life cycle of the organism, gametogenesis occurs by meiotic division of diploid gametocytes into various gametes, or by mitosis.
Gametocyte. Scheme showing analogies in the process of maturation of the ovum and the development of the spermatids. A gametocyte is a eukaryotic germ cell that divides by mitosis into other gametocytes or by meiosis into gametids during gametogenesis. Male gametocytes are called spermatocytes, and female gametocytes are called oocytes.
Hermaphrodite. v. t. e. Human reproduction is sexual reproduction that results in human fertilization to produce a human offspring. It typically involves sexual intercourse between a sexually mature human male and female. [ 1 ] During sexual intercourse, the interaction between the male and female reproductive systems results in fertilization ...
Anatomical terms of microanatomy. [ edit on Wikidata] A spermatozoon (/ spərˌmætəˈzoʊ.ən, ˌspɜːrmətə -/; [ 1 ] also spelled spermatozoön; pl.: spermatozoa; from Ancient Greek σπέρμα (spérma) 'seed' and ζῷον (zôion) 'animal') is a motile sperm cell produced by male animals relying on internal fertilization.
The Spanish Wikipedia (Spanish: Wikipedia en español) is a Spanish-language edition of Wikipedia, a free online encyclopedia. It has 1,984,188 articles. Started in May 2001, it reached 100,000 articles on 8 March 2006, and 1,000,000 articles on 16 May 2013. It is the 8th-largest Wikipedia as measured by the number of articles and has the 4th ...
A gametid is a complementary gamete to the gamete that gives rise to a zygote after conception. During meiosis, four gametes, or haploid cells, are the products of diploid cell division. Two gametes, one egg and one sperm, unite during conception, yielding a zygote. For each gamete that makes a zygote, there is a complementary gamete, or ...
Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete (haploid reproductive cells, such as a sperm or egg cell) with a single set of chromosomes combines with another gamete to produce a zygote that develops into an organism composed of cells with two sets of chromosomes (diploid). [ 1 ]