Q23 · Practice questionSimple familiar1 mark
QUESTION 23
For ABO blood groups, and are codominant and both dominate . A parent with genotype and a parent with genotype can produce children with blood groups
(A)
A and O only.
(B)
A and B only.
(C)
AB and O only.
(D)
AB and B only.
WORKED SOLUTION
1 markAnswer D
Answer
D
Working
The first parent supplies or ; the second supplies . The outcomes are (AB) and (B).
Marking criteria
- Select D. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus