Explain house-keeping genes.
Answers
Answer:
house keeping gens are typically constitute gens that are required to maintaince of basic circular function ,and are expressed in all cells of an organism under normal and pathological conditions
House keeping genes :- The gene which remains active from the zygote formation till the death of the cell is known as house keeping gene.
Examples :- Glycolytic gene, Ubiquitin etc.
Extra info about House keeping genes:-
1. Product of such genes are required by the cell everytime.
2. These genes need not be regulated.
3. Such genes do not evolve easily as compared to the other genes.
4. Maximum genes in this category are methylated.
5. Such genes contain divergent promoter that of the other genes.
6. House keeping genes are also called as constitutive genes because their function goes on continuously or constantly.