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Hace 2 días · Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. [1] The condition occurs in most dioecious species, which consist of most animals and some plants.
3 de may. de 2024 · Both sexes reproduce during the haploid and diploid stages of their life cycle and have a 100% chance of passing their genes into their offspring. [35] [ page needed ] Some species avoid the 50% cost of sexual reproduction, although they have "sex" (in the sense of genetic recombination ).
9 de may. de 2024 · Sexual reproduction, the production of new organisms by the combination of genetic information of two individuals of different sexes. In most species the genetic information is carried on chromosomes in the nucleus of gametes, which then unite to form a diploid zygote.
- The Editors of Encyclopaedia Britannica
Hace 5 días · Specifically, researchers and theorists take different perspectives on how much of gender is due to biological, neurochemical, and evolutionary factors (nature), or is the result of culture and socialization (nurture). This is known as the nature versus nurture debate.
3 de may. de 2024 · gender identity, an individual’s self-conception as a man or woman or as a boy or girl or as some combination of man/boy and woman/girl or as someone fluctuating between man/boy and woman/girl or as someone outside those categories altogether. It is distinguished from actual biological sex—i.e., male or female.
10 de may. de 2024 · human sexual activity, any activity—solitary, between two persons, or in a group—that induces sexual arousal. There are two major determinants of human sexual activity: the inherited sexual response patterns that have evolved as a means of ensuring reproduction and that are a part of each individual’s genetic inheritance, and ...
Hace 1 día · But, in species where both sexes construct the nest (Mainwaring et al., 2021), sexual differences may arise if males and females construct different part of the nests and this requires materials with different structural characteristics, such as increased or decreased flexibility, malleability, elasticity etc (Kern & Van Riper III, 1984; Biddle et al., 2017, 2018; Jouquet et al., 2002).
