Question

Introduction of foreign genes for improving genotype is [AIIMS 2002]
A) Biotechnology
B) Tissue culture
C) Vernalization
D) Genetic engineering

Answer 1

D) Genetic engineering

Answer 2

Introduction of foreign genes for improving genotype is genetic engineering.

* Genetic engineering is the process of manipulating the genes of an organism or plant with the help of biotechnological methods.

* It is the direct alteration or modification in the DNA of an organism that brings about a change in certain characteristic traits( phenotype).

* This can involve:

1. Formation of a hybrid DNA.

2. Deletion of a base pair.

3. Introduction of a new copy of DNA( or base pair).