Few genes are found in all types of cells of a differentiated multicellular organisms of high class. What is it called?

House keeping genes

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Core genes

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Lethal gene

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None of the above

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Solution

The correct option is A 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.

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