Biotechnology And Its Applications Question 109
Question: If an albino man marries with a normal woman and 50 offsprings are albino and 50 are normal, the woman is [CPMT 1977; DPMT 1992; MP PMT 1998]
Options:
A) Heterozygous normal
B) Homozygous normal
C) Heterozygous carrier
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
Albinism is an autosomal recessive trait.
The genotype of such mother would be ?Aa’ i.e.
one recessive gene ?a? responsible for the absence of melanin and one dominant gene responsible for the presence of melanin would be present.
So the mother would be heterozygotic carrier.
BETA
