1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Down's syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder ?
A
50%
B
100%
C
75%
D
25%
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease ?
A
Pernicius anaemia
B
Thalassaemia
C
Leukemia
D
Sickle cell anaemia
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following traits of garden pea studied by Mendel was a recessive feature ?
A
Green seed colour
B
Green pod colour
C
Axial flower position
D
Round seed shape
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
There are three genes a, b and c. The percentage of crossing over between a and b is 20%, b and c is 28% and a and c is 8%. What is the sequence of genes on chromosome
A
a, b, c
B
b, a, c
C
a, c, b
D
None
NEET Subjects
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