[PDF]  Molecular Basis of Inheritance -1  Bank PYQ NEET  Today I am going to share with you the previous year's question on the  Molecular Basis of Inheritance .  Here is the question bank so you can download it .

Molecular Basis of Inheritance
 Molecular Basis of Inheritance 



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Molecular Basis of Inheritance -1 

1. Which of the following is incorrect w.r.t.
transcription unit ?
1. The terminator is located towards 3'-end (downstream) of the coding strand
2 . The promoter is located towards 5'-end (upstream) of the coding strand
3. Apart from promoter and terminator, additional regulatory sequences are absent upstream or
downstream to the promoter
4. A transcription unit is a segment of dsDNA

2. Which of the following is incorrect ?
(1) In prokaryotes, commonly, the translation begin much before the mRNA is fully transcribed
(2) In prokaryotes, the transcription and translation (of the same mRNA) can occur simultaneously
(3) In prokaryotes transcription and translation occur in the cytosol
(4) In eukaryotes transcription and translation (of the same mRNA) can occur simultaneously


3. In human :-
I. non-coding DNA is abundant.
II. less than 2% of genome codes for protein.
III. the function of more than 50% genes are unknown
IV. total number of genes is 30000
Correct option are :-
(1) I, II, III and IV
(2) I and III only
(3) I, II and IV only
(4) I, II and III only


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