NEET Biology MCQ, Principles of inheritance and variation, Botany MCQ,12th NCERT Biology

Which of the following statement is correct regarding multiple allele (ABO blood group) :
(1) Gene I has three alleles IA, IB and i.
(2) The allele I and I® produce same type of sugar.
(3) In ABO blood group six different phenotypes are possible.
(4) In human, each person's gamete possesses any two of the three I gene alleles.

Видео NEET Biology MCQ, Principles of inheritance and variation, Botany MCQ,12th NCERT Biology канала BMI Classes