Housekeeping Genes are Always ــــــــــــــــــــــ

Question

Housekeeping genes are always ــــــــــــــــــــــ.
A)off until needed
B)on
C)induced
D)repressed

Accepted Answer

Housekeeping genes are essential genes that are involved in basic cellular function and need to be continuously expressed at a constant level in all cells. Therefore, they are always "on" and not regulated by external signals or conditions.