The DNA fingerprinting is same for

(1) cousins

(2) monozygotic twins

(3) Dizygotic twins

(4) siblings

Subtopic:  DNA Fingerprinting |
 92%
From NCERT
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The DNA fingerprinting has applications in

(1)forensic sciences

(2)population genetics

(3)genetic diversities determination

(4)All of the above

Subtopic:  DNA Fingerprinting |
 91%
From NCERT
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Father of DNA fingerprinting is

(1) H.J.Khorana

(2) Alec Jeffreys

(3) Karry Mullis

(4) E.M Southern

Subtopic:  DNA Fingerprinting |
 90%
From NCERT
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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

Subtopic:  DNA Double Helix |
 88%
From NCERT
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Genes are made up of

(1)Histone

(2)A portion of DNA

(3)Hydrocarbons

(4)Lipoproteins

Subtopic:  Transcription |
 82%
From NCERT
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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

Subtopic:  DNA Packaging |
 60%
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In his experiment on the chemistry of DNA, Chargaff estimated the base composition of human sperms and found Adenine is 19%, then the amount of Thymine in somatic cell will be
(1)19%

(2)31%

(3)38%

(4)62%

Subtopic:  The DNA |
 79%
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Semi-conservative nature of the replication of eukaryotic chromosome was experimentally demonstrated by

(1)Chains

(2)Meselson and Stahl

(3)Hebert Taylor

(4)Hershey and Chase

Subtopic:  DNA Replication: I | DNA Replication |
From NCERT
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The short fragment of DNA produced in the lagging strand during duplication is known as

(1)Okazaki fragments

(2)RNA primer

(3)Leading strand

(4)Recombinant DNA

Subtopic:  DNA Replication:III | DNA Replication |
 94%
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How many times can the nuclear DNA replicate during the life cycle of a cell?

(1)Only once

(2)Twice

(3)Many times

(4)Does not replicate at all

Subtopic:  DNA Replication: I | DNA Replication |
 55%
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