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For example, animals have genetics which determine reaction to potential foraging stimuli, but only search for the stimuli at certain times of day due to social systems. Therefore, social systems would be selected for which optimize behaviors such as foraging and mate selection.
Polygenism is a theory of human origins which posits the view that the humans are of different origins (polygenesis).This view is opposite to the idea of monogenism, which posits a single origin of humanity.
Dual inheritance theory (DIT), also known as gene–culture coevolution or biocultural evolution, [1] was developed in the 1960s through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution.
For example: The muscles acquired by a bodybuilder through physical training and diet. The loss of a limb due to an injury. The miniaturization of bonsai plants through cultivation techniques. Acquired characteristics can be minor and temporary like bruises, blisters, or shaving body hair.
This is an example of indirect genetic benefits received by the choosy sex, because mating with such individuals will result in high-quality offspring. The indicator traits hypothesis is split into three highly related subtopics: the handicap theory of sexual selection, the good genes hypothesis, and the Hamilton–Zuk hypothesis.
He cites as further examples the 'Scientific study' of population biology and population genetics [77] as both examples of this kind of "Biopower" over the vast majority of the human population giving the new founded political population their 'politics' or polity. With the advent of biology and genetics teamed together as new scientific ...
For example, it is incorrect to say that since the heritability of personality traits is about 0.6, that means that 60% of your personality is inherited from your parents and 40% comes from the environment. In addition, heritability can change without any genetic change occurring, such as when the environment starts contributing to more variation.
The finding that "Mitochondrial Eve" was relatively recent and African seemed to give the upper hand to the proponents of the Out of Africa hypothesis.But in 2002, Alan Templeton published a genetic analysis involving other loci in the genome as well, and this showed that some variants that are present in modern populations existed already in Asia hundreds of thousands of years ago. [31]