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[5] [6] The term "sex determination" increased in usage after 1900. [7] In the 1960 and early 70's the term "sex assignment" came into prominent use as a colloquially word for "determination of sex" and "sex determination". "Sex assignment" did not occur in writing prior to the 1960's. It is used ~100 times less frequently than "determination ...
Sexual differentiation is the process of development of the sex differences between males and females from an undifferentiated zygote. [1] [2] Sex determination is often distinct from sex differentiation; sex determination is the designation for the development stage towards either male or female, while sex differentiation is the pathway towards the development of the phenotype.
Phenotypic sex refers to the structures of the external and internal genitalia. [6] Six weeks elapse after fertilization before the first signs of sex differentiation can be observed in human embryos. [5] The embryo and subsequent early fetus appear to be sexually indifferent, looking neither like a male or a female.
Generally, gender approaches to climate change address gender-differentiated consequences of climate change, as well as unequal adaptation capacities and gendered contribution to climate change. Furthermore, the intersection of climate change and gender raises questions regarding the complex and intersecting power relations arising from it ...
Robert Stoller, whose work was the first to treat sex and gender as "two different orders of data", in his book Sex and Gender: The Development of Masculinity and Femininity, [45] uses the term 'sex' to refer to the "male or the female sex and the component biological parts that determine whether one is a male or a female". [46]
Gender prejudice begins as early as pre-school [citation needed]. Gender typing is extreme in young children where girls may refuse to wear anything but dresses and boys will not play with anything associated with a girl [citation needed]. However, the rigidity ends, and individual differences occur over 10–12 years. [5]
Children with persistent gender dysphoria are characterized by more extreme gender dysphoria in childhood than children with desisting gender dysphoria. [1] Some (but not all) gender variant youth will want or need to transition, which may involve social transition (changing dress, name, pronoun), and, for older youth and adolescents, medical transition (hormone therapy or surgery).
In girls, gender nonconformity comprises dressing like and playing with boys, showing interest in competitive sports and rough play, lacking interest in conventionally female toys such as dolls and makeup, and desiring to be a boy". This gender nonconformist behavior typically emerges at preschool age, although is often evident as early as age 2.