sib

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sib:

see clanclan,
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

a term used in US ANTHROPOLOGY to refer to a body of people claiming common UNILINEAL DESCENT. The more common term is CLAN.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

SIB

(computer science)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
After four generations of sib mating, petal blade length, and hence corolla diameter, was significantly reduced in both male (reduced by 5.1%) and female hosts (10.4%) (Fig.
If sib mating is prohibited ([[Beta].sub.i] = 0), equation (18) reduces to
Once phenotypically uniform (at the S4 for both NY5526 and NY6371), the inbreds were maintained by sib mating.