As per ABO blood grouping system, the blood group of father is $$\mathrm{B}^{+}$$, mother is $$\mathrm{A}^{+}$$ and child is $$\mathrm{O}^{+}$$. Their respective genotype can be

A. I^Bi/I^Ai/ii

B. I^BI^B/I^AI^A/ii

C. iI^B/iI^A/I^AIB

D. I^Ai/I^Bi/I^Ai

E. iI^B/iI^A/I^AI^B

Choose the most appropriate answer from the options given below :

Match List - I with List - II.

Choose the correct answer from the options given below :

A heterozygous pea plant with violet flowers was crossed with homozygous pea plant with white flower. Violet is dominant over white. Which one of the following represents the expected combinations among 40 progenies formed?

In which disorder change of single base pair in the gene for beta globin chain results in change of glutamic acid to valine ?