NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

VIRUSES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is somatic cell nucleus transfer?
A
A cell replacement therapy
B
“therapeutic cloning”
C
capable of forming any type of cell in the adult body
D
Capable of replacing damaged or diseased adult tissue
Explanation: 

Detailed explanation-1: -Somatic cell cloning (cloning or nuclear transfer) is a technique in which the nucleus (DNA) of a somatic cell is transferred into an enucleated metaphase-II oocyte for the generation of a new individual, genetically identical to the somatic cell donor (Figure 1).

Detailed explanation-2: -The main biological goal of SCNT is to reverse the differentiated state of a somatic cell, for the purpose of creating blastocysts from which embryonic stem cells (ESCs) can be derived for therapeutic cloning, or for the purpose of reproductive cloning.

Detailed explanation-3: -Therapeutic cloning refers to the use of SCNT to reprogram somatic cells into undifferentiated cells (embryonic stem cells) for different therapeutic purposes, such as the treatment of degenerative diseases or traumatic injuries, or to correct genetically predisposed conditions.

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