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).
3. gene expression. gene expression. 1. the flow of genetic information from gene to protein. 2. the process, or the regulation of the process, by which the effects of a gene are manifested.3. the manifestation of a heritable trait in an individual carrying the gene or genes that determine it.. gene expression. gene expression. 1. the flow of genetic information from gene to protein. 2. the process, or the regulation of the process, by which the effects of a gene are manifested.