Question

Q. With reference to stem cells, which of the following statements is/are correct?

Select the correct answer using the code given below:

• A.
  1 only
• B.
  1 and 2 only
• C.
  2 and 3 only
• D.
  1, 2 and 3

Answer 1

The correct option is D

1, 2 and 3
Explanation:

Statement 1 is correct: Pluripotent cells can be specialised into all cell types that make up the body. Embryonic stem cells are considered pluripotent.

Statement 2 is correct: Stem cells are pluripotent stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.

Statement 3 is correct:

• Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo.

At this stage, an embryo is called blastocyst and has around 150 cells.