- sperm selection
- sperm selection.См. отбор спермиев.(Источник: «Англо-русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд-во ВНИРО, 1995 г.)
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Sperm donation — is the provision (or ‘donation’) by a man, (known as a ‘sperm donor’), of his sperm, with the intention that it be used to impregnate a woman who is not usually the man s sexual partner, in order to produce a child. A sperm donor is the natural… … Wikipedia
Sperm whale — Sperm Whale[1] Size compared to an average human … Wikipedia
Sperm sorting — is a means of sex selection in which spermatozoa are separated into X (female) and Y (male) chromosome bearing populations based on their difference in DNA content. The resultant sex sorted spermatozoa are then able to be used in conjunction with … Wikipedia
Sperm competition — is competition between sperm of two or more males for the fertilization of an ovum (Parker 1970). Sperm competition is often compared to having tickets in a raffle; a male has a better chance of winning (i.e. fathering offspring) the more tickets … Wikipedia
Sélection sexuelle — Les mécanismes de l évolution biologique Mécanismes non aléatoires : sélection naturelle sélection de survie sélection sexuelle sélection de parentèle sélection de groupe sélection s … Wikipédia en Français
Selection — mergefrom|Evolutionary pressure|Talk:Selection|date=September 2007|Richard001In the context of evolution, certain traits or alleles of a species may be subject to selection. Under selection, individuals with advantageous or adaptive traits tend… … Wikipedia
Major Histocompatibility Complex and Sexual Selection — A pathogen is any agent that causes disease. The body has two defense mechanisms for dealing with pathogenic microorganisms and other harmful substances: the inflammatory reaction and the development of an acquired immunity. Acquired immunity… … Wikipedia
Intracytoplasmic sperm injection — (ICSI, pronounced eeksee [ [http://www.drmalpani.com/oligospermia.htm drmalpani.com] ] ) is an in vitro fertilization procedure in which a single sperm is injected directly into an egg. This procedure is most commonly used to overcome male… … Wikipedia
Sex selection — Parents frequently prefer their offspring to be of a particular sex for a variety of reasons. Social sex selection or human sex selection is the attempt to control the sex of offspring to achieve a desired sex. It can be accomplished in several… … Wikipedia
Sexual selection — This article is about the evolutionary concept. For the selection of the sex of offspring, see sex selection. Goldie s Bird of paradise: Ornamented male above; female below. Paradesia decora by John Gerrard Keulemans (d.1912) Sexual selection, a… … Wikipedia