PHP â Sort Functions For Arrays. In this chapter, we will go through the following PHP array sort functions: sort() â sort arrays in ascending order. rsort() â sort arrays in descending order. asort() â sort associative arrays in ascending order, according to the value.
Environmental factors that can affect gene expression. Exposing a fetus, infant, or child to a chemical or nutritional (or other) stressor during development can affect the risk of disease development even into adulthood. The mechanisms involved are probably epigenetics (Boekelheide et al. 2012).
Confidence votes 78. Both genes and the environment (sometimes referred to as nature and nurture) affect behaviour at many different stages. Starting before birth, the environment in the womb, in terms of variables like hormone levels, affects the child's development, which eventually affects behaviour.