Because we humans are made from zygote which is formed by a combination of two haploid gametes !!
When the sperm and ova meet there is a crossing over type phenomenon which decides what will be the phenotype !! so we somewhere distinct from both our parents !!
Globalization: The process of conducting business on a global scale.
Pandemic: A worldwide spread of a deadly disease.
Rural: The area outside cities.
Sedentary: The process of setting (Sitting?) down in one location.
Urban: The area that makes up a city.