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In sociology, heterogamy refers to a marriage between two individuals that differ in a certain criterion, and is contrasted with homogamy for a marriage or union between partners that match according to that criterion. For example, ethnic heterogamy refers to marriages involving individuals of different ethnic groups.
For example, a warmer area could be more suitable for nesting, so more females are produced to increase the amount that nest next season. [74] In amniotes, environmental sex determination preceded the genetically determined systems of birds and mammals; it is thought that a temperature-dependent amniote was the common ancestor of amniotes with ...
Social reproduction, when co-opted with cultural reproduction, allows for sociology of education to assume its role. [2] Education is an attempt at leveling the playing field by allowing those in poorer classes a chance to move up .
A common example is the case where the heterozygote conveys both advantages and disadvantages, while both homozygotes convey a disadvantage. A well-established case of heterozygote advantage is that of the gene involved in sickle cell anaemia .
However, it has been discovered that this species of snail frequents mating between individuals of opposing coils. It is said that the chirality of the spermatophore and the females reproductive tract have a greater chance of producing offspring. [9] This example of disassortative mating promotes polymorphism within the population.
Gender is used as a means of describing the distinction between the biological sex and socialized aspects of femininity and masculinity. [9] According to West and Zimmerman, is not a personal trait; it is "an emergent feature of social situations: both as an outcome of and a rationale for various social arrangements, and as a means of legitimating one of the most fundamental divisions of society."
The incidence of X-linked recessive conditions in females is the square of that in males: for example, if 1 in 20 males in a human population are red–green color blind, then 1 in 400 females in the population are expected to be color-blind (1 / 20)*(1 / 20).
The Cambridge Dictionary of Sociology is a dictionary of sociological terms published by Cambridge University Press and edited by Bryan S. Turner. There has only been one edition so far. The Board of Editorial Advisors is made up of: Bryan S. Turner, Ira Cohen, Jeff Manza, Gianfranco Poggi, Beth Schneider, Susan Silbey, and Carol Smart. In ...