Question

Embryonic stem cells are also used for generation of transgenic organisms. They are obtained from _______ of a developing ________

(a) trophoectoderm, gastrula

(b) trophoectoderm, blastula

(c) inner cell mass, blastula

(d) inner cell mass, gastrula

I got this question in quiz.

The doubt is from Generation of Transgenic Organsims topic in section Using Other Organisms of Genetic Engineering

Answer 1

The correct option is (c) inner cell mass, blastula

Explanation: Embryonic stem cells are also used for generation of transgenic organisms. They are obtained from the inner cell mass of a developing blastula. A developing blastula composes of inner cell mass and it is surrounded by trophoectoderm.