Question

Use the following preamble to answer Questions 22 – 26
Human blood type is determined by a three-allele system at a single locus. State whether the child
mentioned can actually be produced from the marriage. Clearly show your reasoning.
22. An O child from the marriage of two A individuals. 
23. An O child from the marriage of an A to a B. 
24. An AB child from the marriage of an A to an O. 
25. An O child from the marriage of an AB to an A. 
26. An A child from the marriage of an AB to a B. 

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