Purpose: The aim of the study is to examine role genetic in sex orientation preference.
 Methodology: This adopted a desktop methodology. used secondary data from which include review existing literature already published studies and reports that was easily accessed through online journals libraries.
 Findings: found markers variations related hormone regulation neural development hav...

It has been argued that preferences for the sex of children would be small or non‐existing in relatively gender equal societies. However, previous studies have suggested that a stronger preference for having daughter exists in Scandinavian countries, which are frequently noted for being among the most gender equal societies in the world. Combining new register data on birth rates by sex of the ...

This study explores the change of married women's sex preference for children in Taiwan since 1990, finding that there was a substantial decline of son preference and rise of "gender indifference", defined as feeling indifferent about children's sex (as opposed to desiring an equal number of boys and girls, in which the sex of children is still a primary consideration). Results show that at the...

We model parental sex selection and the equilibrium sex ratio. With intrinsic son preference, sex selection results in a male-biased sex ratio. This is ine¢ cient, due to a marriage market congestion externality. Medical innovations that facilitate selection increase ine¢ ciency. If son preference arises endogenously, due to population growth causing an excess of women on the marriage market, s...

Almost all parents have preference to the number and sex of children, somebody like boy more and somebody like girl more. The ideal sex composition of children to most couples in China is to have one boy and one girl (Zheng, 2004), which was also true in China for the last two thousand years. If there were no limit to number of children, and if a couple had very strong sex preference of childre...

Self-resemblance has been found to have a context-dependent effect when expressing preferences for faces. Whereas dissimilarity preference during mate choice in animals is often explained as an evolutionary adaptation to increase heterozygosity of offspring, self-resemblance can be also favored in humans, reflecting, e.g., preference for kinship cues. We performed two studies, using transformat...

A study examined two factorsthought to affect' an individuales preference for confrontation or avoidance gtrategies when ending a relationship -communicator agb and sex .:ole _orientation. Subjects were 29 fifth grade students, 64.bigh school sophomores, 43 college students, and 37 adults enrolled in a'night class. All subjects read a scenario from the Friendship Survey entitled "Letting .SoPeo...