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Sib
(redirected from half-sib)

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sib: see clan clan, social group based on actual or alleged unilineal descent from a common ancestor. Such groups have been known in all parts of the world and include some that claim the parentage or special protection of an animal, plant, or other object (see totem).
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SIB
(computer science)

Sib 

one of the offspring of the same parents, a brother or sister. The frequency of the appearance of a certain hereditary character (including hereditary disease) among sibs makes it possible to evaluate the type of inheritance involved and to predict the probability of the manifestation of the character in other offspring of the same mating or in animals during crossbreeding. The term “sib” is used in animal and human genetics.



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After correcting for the effects of hatching time, we found that the differences between extra-pair offspring and their within-pair half-sibs were reduced or absent, indicating that non-genetic laying order effects largely accounted for the observed superiority of extra-pair offspring," Magrath added.
Twenty-one half-sib groups and 60 to 63 full-sib groups of juveniles were obtained by artificial fertilization of three to five females by single males based on a nested design.
 
 
 
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