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Polyandry (/ ˈ p ɒ l i ˌ æ n d r i, ˌ p ɒ l i ˈ æ n-/; from Ancient Greek πολύ (polú) ' many ' and ἀνήρ (anḗr) ' man ') is a form of polygamy in which a woman takes two or more husbands at the same time. Polyandry is contrasted with polygyny, involving one male and two or more females.
Polyandry is thought to evolve from their offspring's vulnerability to infanticide. [31] There is evidence that polyandry is an effective strategy that is adapted by many to increase their offspring survival through the avoidance of male infanticide.
Polyandry in India refers to the practice of polyandry, whereby a woman has two or more husbands at the same time, either historically on the Indian subcontinent or currently in the country of India. An early example can be found in the Hindu epic Mahabharata , in which Draupadi , daughter of the king of Panchala , is married to five brothers.
Polyandry is a marital arrangement in which a woman has several husbands. In Tibet, those husbands are often brothers; "fraternal polyandry".Concern over which children are fathered by which brother falls on the wife alone.
Fraternal polyandry, a marriage of two or more brothers and one woman; Genealogy of Jesus, in which Levirate marriage is offered to explain discrepancies; Posthumous marriage, a marriage in which at least one party is dead; Widow conservation
Polygynandry is a mating system in which both males and females have multiple mating partners during a breeding season. [1] In sexually reproducing diploid animals, different mating strategies are employed by males and females, because the cost of gamete production is lower for males than it is for females. [2]
The precise meaning depends upon the context. With respect to animals , the term describes which males and females mate under which circumstances. Recognised systems include monogamy , polygamy (which includes polygyny , polyandry , and polygynandry ), and promiscuity , all of which lead to different mate choice outcomes and thus these systems ...
Polyandry in fishes is a mating system where females mate with multiple males within one mating season. [1] This type of mating exists in a variety of animal species. [ 1 ] Polyandry has been found in both oviparous and viviparous bony fishes and sharks . [ 2 ]