LO 48- Identify molecules and sequences involved in gene regulation of eukaryotes Match each example below to the correct regulatory sequence/element. gypsy is a sequence in Drosophila that has an inhibitory effect on enhancers, controlling the expression of affected genes. gypsy is a(n) Insulator The ability to produce lactase is associated with a mutation 13,910 bp upstream of the lactase gene. This mutation is probably located in a(n) Activator Answer 1: Insulator Answer 2: Activator

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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.