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).
BIOLOGY I. Chapter 14. Mendel and the Gene Idea Nature and Nurture: The Environmental Impact on Phenotype â¢ The expression of a phenotype for a character depends on environmental influences as well as on genotype. ï For example, in human height, nutrition is a major factor.