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The variability of trait can be meaningfully spoken of as being due in certain proportions to genetic differences ("nature"), or environments ("nurture"). For highly penetrant Mendelian genetic disorders such as Huntington's disease virtually all the incidence of the disease is due to genetic differences.
Historically, interactionism has presented a limited view of the manner in which behavioral traits develop, and has simply demonstrated that "nature" and "nurture" are both necessary. [3] Among the first biologists to propose an interactionist theory of development was Daniel Lehrman. [4]
There are many broad conclusions to be drawn from behavioural genetic research about the nature and origins of behaviour. [3] [59] Three major conclusions include: [3] all behavioural traits and disorders are influenced by genes; environmental influences tend to make members of the same family more different, rather than more similar
Nature versus nurture debates assume that variation in a trait is primarily due to either genetic differences or environmental differences. However, the current scientific opinion holds that neither genetic differences nor environmental differences are solely responsible for producing phenotypic variation, and that virtually all traits are ...
The early eugenicist Francis Galton invented the term eugenics and popularized the phrase nature and nurture. [12]Early ideas of biological determinism centred on the inheritance of undesirable traits, whether physical such as club foot or cleft palate, or psychological such as alcoholism, bipolar disorder and criminality.
Behavioral epigenetics is the field of study examining the role of epigenetics in shaping animal and human behavior. [1] It seeks to explain how nurture shapes nature, [2] where nature refers to biological heredity [3] and nurture refers to virtually everything that occurs during the life-span (e.g., social-experience, diet and nutrition, and exposure to toxins). [4]
This is a statement in regards to nature vs. nurture. While environmental factors absolutely play a significant role in a dog’s behavior, genetics can not, and should not be disregarded,” she ...
Proponents typically form the extreme "nurture" side of the nature versus nurture debate, arguing that humans are born without any "natural" psychological traits and that all aspects of one's personality, social and emotional behaviour, knowledge, or sapience are later imprinted by one's environment onto the mind as one would onto a wax tablet.