Each gene pool includes various alleles of genes. The variation occurs both within and among populations, supported by individual carriers of the variant genes. Genetic variation is brought about, fundamentally, by mutation, which is a permanent change in the chemical structure of chromosomes.
Answer:
stereotyping
Explanation:
According to social psychology, a stereotype refers to the over-generalized belief about an individual based on his membership or category of a particular group. Although generally, it is used to simplify our social environment, it lacked the relevance of individual differences and therefore can result in discriminatory behavior.
Answer:
Travel (most likely) or trading
Explanation:
