1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which enzyme will be produced in a cell in which there is a non-sense mutation in the lac Y gene ?
A
Transacetylase
B
Lactose permease and transacetylase
C
Lactose permease
D
$$\beta $$-galactosidase
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true of two genes that show 50% recombination frequency ?
A
The genes are tightly linked
B
The genes show independent assortment
C
If the genes are present on the same chromosome, they undergo more than one crossovers in every meiosis.
D
The genes may be on different chromosomes
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C. NEET 2013 Biology - Molecular Basis of Inheritance Question 156 English
A
A-translation B-extension C-Rosalind Franklin
B
A-translation B-transcription C-Erevin Chargaff
C
A-transcription B-translation C-Francis Crick
D
A-transcription B-replication C-James Watson
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Read the following four statements (A-D) :
(A) In transcription, adenosine pairs with uracil
(B) Regulation of lac operon by repressor is referred to as positive regulation
(C) The human genome has approximately 50,000 genes
(D) Haemophilia is a sex-linked recessive disease
How many of the above statements are right ?
A
Four
B
Two
C
Three
D
One

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