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Social reproduction is involved in this field when it comes to how inequalities affect the health of people in particular classes. The greater the economic inequality , the more of a toll it takes on the health of the populace, from life expectancy to infant mortality , and in cases like the U.S., increasing rates of obesity .
Another theory is that sexual reproduction originated from selfish parasitic genetic elements that exchange genetic material (that is: copies of their own genome) for their transmission and propagation. In some organisms, sexual reproduction has been shown to enhance the spread of parasitic genetic elements (e.g. yeast, filamentous fungi). [79]
Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. There are two forms of reproduction: asexual and sexual. In asexual reproduction, an organism can reproduce without the involvement of another organism.
For example, since Weinberg's theory of procreation ethics explicitly weighs the risks that are imposed on children by creating them, it implies that people who are in a situation that would likely expose their offspring to greater risks therefore are less likely to have a rational case for procreation; this includes people with heritable ...
The concept of sexual selection was introduced by Charles Darwin as an element of his theory of natural selection, [1] Sexual selection is a biological way one sex chooses a mate for the best reproductive success. Most compete with others of the same sex for the best mate to contribute their genome for future generations.
Cultural reproduction, a concept first developed by French sociologist and cultural theorist Pierre Bourdieu, [1] [2] is the mechanisms by which existing cultural forms, values, practices, and shared understandings (i.e., norms) are transmitted from generation to generation, thereby sustaining the continuity of cultural experience across time.
The Asymmetry, also known as ' the Procreation Asymmetry ', [1] is the idea in population ethics that there is a moral or evaluative asymmetry between bringing into existence individuals with good or bad lives. [2] It was first discussed by Jan Narveson in 1967, and Jeff McMahan coined the term 'the Asymmetry' in 1981. [3]
Human reproduction naturally takes place as internal fertilization by sexual intercourse. During this process, the man inserts his erect penis into the woman's vagina and then either partner initiates rhythmic pelvic thrusts until the man achieves orgasm , which leads to ejaculation of semen containing sperm into the vaginal canal.