n. 1 killing of one's brother or sister. 2 person who does this. fratricidal adj. [Latin frater brother]

... polyandry was rare Later studies found the practice of polyandria in 50 more . societies Fraternal polyandry , in which two or more siblings are.married to one woman , has traditionally ... ... , polyandry was.also adopted and practiced until the people disappeared In Sri Lanka ., fraternal polyandry is officially allowed under the Kandyan Marriage Law . To denote polyandry ... (Interpersonal relationships)
... during . one pregnancy There are identical (one gender and absolutely similar in appearance .) and fraternal twins Sometimes twins are called only identical (identical ) brothers or sisters ., in this case ... ... twins Sometimes twins are called only identical (identical ) brothers or sisters ., in this case fraternal brothers and sisters are called twins ,.triplets depending on the number (two , three , etc ... (Interpersonal relationships)
... to.classical theoretical sociology A big role in understanding how different , for example , friendship . or fraternal community , on the one hand , and political union ,.government , on the other hand , played widespread ... (Social Psychology)
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