double mating

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• Double-pair mating — (DPM) is a mating (crossing) design used in plant breeding. Each individual is mated with two others. Principles Figure 1: DMP scheme In Fig. 1 a connected variant of DPM is shown. DPM is an efficient mating design in balanced breeding programmes …   Wikipedia

• Double-stranded RNA viruses — Electron micrograph of rotaviruses. The bar = 100 nm Virus classification Group: Group III (ds …   Wikipedia

• Double rifle — Holland and Holland double rifle in .375 H H Magnum. A double barreled rifle or double rifle is a type of sporting rifle with two barrels instead of one, available in either side by side or over and under barrel configurations. Double rifles are… …   Wikipedia

• List of Ace double novels — Ace Books began publishing genre fiction starting in 1952. Initially these were mostly in the attractive dos à dosfact|date=July 2008 | dos à dos or tête bêche? format, but they also published a few single volumes, in the early years, and that… …   Wikipedia

• List of Ace miscellaneous double titles — Ace Books published 8 Ace doubles that did not fit into their normal genre categories between 1952 and 1961 in dos à dos format.Genres and collectabilityAce published science fiction, mysteries, and westerns, as well as books not in any of these… …   Wikipedia

• Sexualität: Zwischen Liebe und Ausbeutung —   Opportunismus und Selektivität bei Sexualkontakten   Wegen der Asymmetrie im Fortpflanzungspotenzial wirken im menschlichen Fortpflanzungsgeschehen dieselben geschlechtstypischen Beschränkungen wie bei den meisten anderen Säugetierarten: Die… …   Universal-Lexikon

• Cyrtophora exanthematica — Double tailed tent spider Female Cyrtophora exanthematica Scientific classification …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• sex — /seks/, n. 1. either the male or female division of a species, esp. as differentiated with reference to the reproductive functions. 2. the sum of the structural and functional differences by which the male and female are distinguished, or the… …   Universalium

• heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …   Universalium

• evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …   Universalium