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
Which of the following is not a hereditary disease ?
A
Cretinism
B
Cystic fibrosis
C
Haemophilia
D
Thalasasemia
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A women with 47 chromosomes due to three copies of chromosome 21 is characterized by
A
triploidy
B
Down’s syndrome
C
superfemaleness
D
Turner’s syndrome
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt
A
75% will be tall with red fruit
B
25% will be tall with red fruit
C
50% will be tall with red fruit
D
All the offspring will be tall with red fruit
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