The transferring of separated RNA fragments to synthetic membranes is called

(1) Southern hybridisation

(2) Northern hybridisation

(3) Western hybridisation

(4) Eastern hybridisation

The technique of DNA fingerprinting involves the following events in the order

1. isolation of DNA

2. DNA digestion by Restriction Endonuclease

3. DNA separation

4. Southern blotting

5. Hybridisation

6. Autoradiography

1. 654321

2. 132456

3. 123456

4. 132546

VNTR belongs to which class of DNA

(1)mini-satellite

(2)macro-satellite

(3)nano-satellite

(4)kilosatellite

The size of VNTR varies from

1. 0.1 to 20 kb

2. 0.1 to 200 kb

3. 1 to 20 kb

4. 0.10 to .20 kb

The DNA fingerprinting is same for

(1) cousins

(2) monozygotic twins

(3) Dizygotic twins

(4) siblings

The DNA fingerprinting has applications in

(1)forensic sciences

(2)population genetics

(3)genetic diversities determination

(4)All of the above

Father of DNA fingerprinting is

(1) H.J.Khorana

(2) Alec Jeffreys

(3) Karry Mullis

(4) E.M Southern

The DNA molecule takes a complete turn after

(1) Every base pair

(2) Every five base pairs

(3) Every ten base pairs

(4) Every two base pairs

Genes are made up of

(1)Histone

(2)A portion of DNA

(3)Hydrocarbons

(4)Lipoproteins

Which of the following is correct with regards to the arrangement of DNA in the chromosome?

(1)There are several DNA helices in a chromosome , which are joined together with the help of the protein linkers

(2)Each chromosome has bundles of DNA duplexes , much like a rope

(3)A single DNA double helix is highly coiled and folded along the length of the chromosome

(4)Each chromosome is made up of two DNA helices , which are highly folded