The phenomenon of separation of linked genes is termed as crossing over. Linked genes separate during inheritance and produce new or non-parental combinations in case of incomplete linkage. The parental combinations are more than the non-parental combinations. It is also a physical process of exchange of genetic materials or segments between non-sister chromatids of two … Read more
The differences that are found between the individuals of same species are called variation. It is very difficult to find out two individuals exactly similar in the nature. It may be harmful, useless and useful. Harmful or useless variations make individuals unfit for struggle for existence, whereas the useful variations are quite significant and make … Read more
Introduction Bacteriophages not only infect and kill cells but also sometimes transfer DNA from one cell to another. This process by which foreign DNA is introduced into a cell by a virus or viral vector is called transduction. Phages capable of transduction are called transducing phages. Donor strain is the original bacterial strain in which … Read more
Biotechnology is the controlled use of biological agents such as microorganism or cellular components for beneficial use. It is comparatively a new discipline of science in which the latest technology has been applied to biological organisms for human welfare. The recent progress in biotechnology is due to understanding and application of principles of molecular biology, … Read more