Question

Few genes are found in all types cells
of differentiated multicellular organisms of high
class. It is called

• A. Key genes
• B. Core genes
• C. House keeping genes
• D. None of the above

Answer 1

The correct option is B Core genes

Core genes refer to the genes present in all the cells of an organism.

Housekeeping genes are those genes which are always expressed in a cell and code for various proteins that are required for the normal functioning and sustenance of cell. These genes are expected to maintain constant expression levels in all cells and at all conditions. Lethal gene is the gene that generally formed by the mutation and causes the death of the organisms.

Thus, the correct answer is option B.