(n.) The possession by a woman of more than one husband at the same time; -- contrasted with monandry.
Example Sentences:
(1) A 'low recurrence polyandry' is observed in the sperm dimorphic species D. affinis while a 'high recurrence polyandry' is observed in the sperm monomorphic species D. latifasciaeformis and D. littoralis.
(2) Type II is female-headed and daughters bring children into the household by de facto polyandry (41%), but sons formally weds monogamously.
(3) Mark you, I think you probably need plenty of money for polyandry.
(4) The results imply that tolerance by the national government of polyandry within certain minority groups (e.g.
(5) Type I households have as head a women whose husband either visits or lives with her but is not legally bound to her; it is de facto polyandry (26.7% of survey households).
(6) National government should practice tolerance of polyandry as an acid to the attainment of zero population growth.
(7) The phenomenon is not correlated with an unusually large degree of male parental investment, polyandry, greater aggressiveness in females than in males, greater development of weapons in females, female dominance, or matriarchy.
(8) The concern is that the nonHan might raise the national birth rate and reduce the proportion of Han, even though nonHan life expectancy is lower and there is practice of polyandry.
(9) The general practice of polyandry is described as a walking marriage where women control material resources.
(10) Discussion is provided on the polyandry found among villagers of Limi in the Highlands of Nepal and the Tre-ba of Central Tibet, where there is fraternal polyandry patriarchies, where fertility rates of these unions were not higher, and a sizeable fraction of women 20-49 were left without mates (31% in Limi and 29% in Dhinga).
(11) These include the male's greater aggressiveness, the preponderance of polygyny over polyandry, and differences in the antecedents of jealousy.
(12) Males in the three species are equally polygynous but females differ in the level of polyandry.
(13) The results indicate that polyandry, by a large number of males, is not a common phenomenon in M. rotundata bee species.
(14) 'obligatory' polyandry) should only result in sperm monomorphism irrespective of the absolute value of sperm length.
(15) The Musuo have practiced matrilineal polyandry since the Yuan dynasty (1271-1368 AD).
(16) Field studies of callitrichid species have reported a surprising degree of variation in the composition of social groups, some of which has been interpreted as evidence of 'cooperative polyandry' in recent reviews.
(17) Female mating bonds include long-term monogamy, serial monogamy, polyandry and promiscuity.
(18) Since reactivity to syphilis was associated with poverty, poor hygiene, polyandry, polygamy, and illiteracy, citizens living in Himachal Pradesh were at great risk of acquiring HIV from a foreigner.
(19) In Kerala state, India and among the Kandyan Sinhalese of Sri Lanka, polyandry may not increase the fertility of individual wives, and is economically resourceful.
Polygyny
Definition:
(n.) The state or practice of having several wives at the same time; marriage to several wives.
Example Sentences:
(1) The custom of polygyny practised by these people enabled the analysis of associations between full-siblings and half-siblings.
(2) The hypothesis that polygyny is associated with higher fertility than monogamy was evaluated.
(3) Polygyny is common and men control most of the resources.
(4) The hypothesis that the centrosome is maternally inherited was tested during parthenogenesis, polyspermy, and polygyny as well as after recovery from microtubule inhibition at first mitosis.
(5) The high frequency of polygyny in Texas indicates that the fire ant problem in the state is much greater than previously realized.
(6) Male mammals show a diverse array of mating bonds, including obligate monogamy, unimale and group polygyny and promiscuity.
(7) Traditional attitudes towards marriage and sexuality affect urban behavior in the extent of marital stability, the frequency of polygyny, and the emotional bond between spouses.
(8) The frequency of polygyny varied somewhat with geographic region, but the pattern was generally unrelated to habitat and environmental conditions.
(9) These results suggest that the expansion of the cerebral cortex in anthropoids may be associated with terrestriality and polygyny.
(10) The postindependence marriage codes have attempted to give young women more say in choosing a husband, to regulate the practice of bride price, and to limit the practice of polygyny.
(11) Further, the structure of agricultural development has resulted in changes in women's participation in agriculture and polygyny rates, which have had impacts on birth rates.
(12) Polygyny was discovered at 54% of the infested sites.
(13) However, in Nigeria polygyny cannot wholly explain length of postpartum taboo following child birth on the ground that competition among cowives to out do one another in child-bearing results in a tendency of higher fertility and hence shorter postpartum taboo in polygynous households than that in monogamous families.
(14) Data were collected on age, age at marriage, menopause, monogamy or polygyny, total number of children born, number of miscarriages, number of stillbirths, number of children currently living, and contraception.
(15) The hypothesis was judged to be useless because 1) fertility rates are the product of multiple influences; 2) it is too difficult to separate out these multiple influences, given the variability involved in polygynous practices and the inadequates of the data; and 3) the influence of polygyny on fertility is too slight to take into account.
(16) Hence, the tendency for women in polygynous households to adhere more strictly to rules and taboos relating to postpartum abstinence could be associated to the changing roles of women as they affect their responsibility with respect to the maintenance and training of their children rather than to the institution of polygyny per se.
(17) Although the pharaoh's ant offers relatively good possibilities for the selection of resistance on account of the polygyny, the duration of generations in the range of a whole year under field conditions and the isogeny of the colonies diminished the development of resistance.
(18) Factors of the material environment (availability of water and electricity in the residence), size of a household and number of wage earners in it are pervasive and suggest a polarity between archaic elements in the society (low material comfort, polygyny, absence of contraception) and the more forward looking (monogamy, tertiary occupations).
(19) These include the male's greater aggressiveness, the preponderance of polygyny over polyandry, and differences in the antecedents of jealousy.
(20) polyspermy, polygyny, asynchrony between male and female pronucleus development, and preactivation of cytokinesis.