Zoology Principles of Inheritance and Variation questions from NEET UG 2013.
If two persons with 'AB' blood group marry and have sufficiently large number of children, these children could be classified as 'A' blood group : 'AB' blood group : 'B' blood group in $1: 2: 1$ ratio. Modern technique of protein electrophoresis reveals presence of both 'A' and ' $B$ ' type proteins in 'AB' blood group individuals. This is an example of
In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans.
The incorrect statement with regard to haemophilia is
If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
Down's syndrome in humans is due to:
Which of the following statements is not true of two genes that show $50 \%$ recombination frequency?
Which one is the incorrect statement with regard to the importance of pedigree analysis?
Which Mendelian idea is depicted by a cross in which the $F_1$ generation resembles both the parents?