MAKE CONNECTIONS Given that changes in morphologyare often caused by changes in the regulation of geneexpression, predict whether noncoding DNA is likely to beaffected by natural selection. See Concept 18.3 to reviewnoncoding DNA and regulation of gene expression.
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
MAKE CONNECTIONS Given that changes in morphology
are often caused by changes in the regulation of gene
expression, predict whether noncoding DNA is likely to be
affected by natural selection. See Concept 18.3 to review
noncoding DNA and regulation of gene expression.
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