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Q 1984401357.     A biology teacher asked the students to find out
the blood groups of their family members and
make a pedigree chart. After the collection of
data the teacher found that one student had
parents with blood groups 'A' and 'B' and his
sister had blood groups '0'. The students' blood
group was AB.
(a) Is it possible to have a child with blood
group 0 if the parents are of A and B blood
groups respectively? Give reasons to support
(b) Show the inheritance of blood group 'AB'.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)