Same-sex marriage is now legal across the vast majority of Western Europe. Trait Prevalence and Features HS is present in almost all human populations, with relatively low frequency, or prevalence Diamond ; but see Hewlett and Hewlett and Barthes et al.
Arch Sex Behav 40 : — European Commission. Myers and his partner planned to start a family by adopting children. Retrieved 11 May
Invasion and maintenance of alleles that influence mating and parental success. David A. Interactive: Same-sex marriage around the world Explore our fact sheet to learn more about same-sex laws around the world. New choices, new families: How lesbians decide about motherhoodpp. Blanchard R
As considered in CCZ, such OD mechanism does not coincide with the classical assumption in which heterozygous advantage is manifested in all carriers regardless of sex, because a tunable SA component is always present, the examined genetic factors being favorable to females.
Apuzzo, a gay adviser to Gov. They estimated that, for females, the genetic influence accounted for less than 0. Several individual cases where same-sex couples have been allowed to legally adopt or foster children have occurred over the years.
Neither performed nor recognized in American Samoa or some tribal nations. Evidence for maternally inherited factors favouring male homosexuality and promoting female fecundity.
Also, Pattatucci and Hamer recorded elevated rates of nonheterosexuality in four classes of female relatives of lesbian probands: sisters, daughters, nieces, and female cousins through a paternal uncle. On 7 October , a bill establishing same-sex civil unions and gender-neutral cohabitation agreements was submitted to Parliament.
Interactive: Same-sex marriage around the world Explore our fact sheet to learn more about same-sex laws around the world. Oxford University Press, Oxford. During a protest on 13 January , 50, gay rights activists, according to the police, protested in Milan in favour of the creation of a new law regulating same-sex unions.