What's the difference between polygyn and polygyny?
Polygyn
Definition:
(n.) A plant of the order Polygynia.
Example Sentences:
(1) Of all the marriages recorded during this period about 5% were polygynous.
(2) This paper discusses polygynous marriages in rural Bangladesh, using marital status and birth registration data from the Demographic Surveillance System (DSS) of the International Center for Diarrheal Disease Research, for the period 1975-79.
(3) Everything else being equal, males of polygynous species are characterized by more variable canine sizes than males of monogamous species.
(4) = 1.72), the results reveal that male adolescents from monogamous families experience better psychological adjustment than their polygynous counterparts, whereas no such difference exists in the levels of psychological adjustment of female adolescents from both family types.
(5) Differentials in fertility levels between women in monogamous unions and those in polygynous ones are investigated using mean number of children ever born as the measure of fertility.
(6) An assessment of previous studies and of the results of a 1966-1967 study comparing the fertility levels of polygynously and monogamously married women in a rural and an urban population in Nigeria lead to the conclusion that the hypothesis was useless.
(7) The strength and quality of the relationship between heterosexual pairmates were compared in two species of New World monkeys, the polygynous squirrel monkey (Saimiri) and the monogamous titi monkey (Callicebus).
(8) However, when age-specific fertility rates were compared, except for women under 20 and over 40 years of age, rates were higher in monogamous unions (7.286 overall) than for women in polygynous households (7.200 overall).
(9) Sperm nuclear enlargement during phase D was significantly less in polyspermic and polygynic zygotes.
(10) Preliminary analysis revealed that the fertility rate was higher for polygynously married women; however, when marriage duration was controlled, there was no significant differences between the fertility rates observed for the polygynously and monogamously married women living in rural areas nor those living in urban area.
(11) The evidence relates to variation of sex ratios at birth with (1) time of insemination within the cycle of several species, (2) excision of accessory sex glands in rodents, (3) occupation of parents, (4) dominance rating of human mothers and (5) the ordinal rank of wives in polygynous marriages.
(12) During the period 1976-79, 863 polygynous marriages were recorded (4.9% of all marriages in the study area).
(13) The role of sexual selection has been questioned because mating system, which should reflect its strength, poorly predicts variation in canine dimorphism, particularly among polygynous species.
(14) 2 psychologists administered the Psychological Adjustment Scale of the Adolescent Personal Data Inventory to 116 Yoruba adolescents (69 males and 47 females) from middle class families attending a holiday youth camp in Ibadan in Oyo State, Nigeria to test the hypothesis that teenagers from monogamous families are better psychologically adjusted than those from polygynous families.
(15) Differences in mating success among the polygynous males were compared with male behavior and territory resources, and criteria were developed to test the importance of intrasexual male competition and female mate choice in explaining the mating system of the populations.
(16) These findings suggest that some changes in reproductive behavior are taking place in Nigeria that are restricting the fertility of women in polygynous unions.
(17) The more polygynous the society (the higher the potential reproductive rewards for males), the more sons in nonstratified societies were taught to strive.
(18) The "successively polygynous" males showed more sexual behavior than "monogamous" males, and their respective females solicited the males differently, as well.
(19) Here I show that in polygynous mammals where females commonly remain to breed in their natal group, their average age at first conception typically exceeds the average period of residence of adult males in breeding groups.
(20) Here we describe the use of a bird minisatellite DNA probe in assigning paternity in natural populations of the monogamous willow warbler Phylloscopus trochilus and of the polygynous wood warbler Phylloscopus sibilatrix.
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.