1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Haemophilia is more commonly seen in human males than in human females because -
A
This disease is due to an X-linked dominant mutation
B
This disease is due to a Y-linked recessive mutation
C
This disease is due to an X-linked recessive mutation
D
A greater proportion of girls die in infancy
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A woman with normal vision, but whose father was colour bind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy -
A
May be colour blind or may be normal vision
B
Must have normal colour vision
C
Must be colour blind
D
Will be partially colour blind since he is heterozygous for the colour blind mutant allele.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is not a hereditary disease ?
A
Cretinism
B
Cystic fibrosis
C
Haemophilia
D
Thalasasemia
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
E. coli cells with a mustard z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because -
A
They cannot transport lactose from the medium into the cell
B
They cannot synthesize functional beta galactosidase
C
In the presence of glucose, E. coli cells do not utilize lactose
D
The lac operon is constitutively active in these cells
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12