A man whose father was colour blind marries a women who had a colour blind mother and
normal father. What percentage of male children of this couple will be colour blind?
A
50%
B
25%
C
0%
D
75%
2
NEET 2015
MCQ (Single Correct Answer)
+4
-1
A pleiotropic gene -
A
is a gene evolved during Pliocene
B
is expressed only in primitive plants
C
Controls multiple traits in an individual
D
controls a trait only in combination
with anther gene
3
NEET 2015
MCQ (Single Correct Answer)
+4
-1
In the following human pedigree, the filled
symbols represent the affected individuals.
Identify the type of given pedigree.
A
X-linked dominant
B
Autosomal dominant
C
Autosomal recessive
D
X-linked recessive
4
NEET 2015
MCQ (Single Correct Answer)
+4
-1
In his classic experiments on pea plants,
Mendel did not use :