Blood typing data sheet

	A	B	C	D	E	F	G	H
1	Group 1	Anti-A	Anti-B	Blood Type	Are all of Mr. Johnson's children his biological offspring?	Claim:	Evidence:	Reason:
2	Mr. Johnson		x	A	No, child 2 has blood type B, which could only be inheirted by Mr Wilson	Mrs. Johnson
3	Mrs. Johnson	x	x	O
4	Mr. Wilson	x		B
5	Child 1		x	A
6	Child 2	x		B
7	Child 3	x	x	O
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10	Group 2	Anti-A	Anti-B			Claim:	Evidence:	Reason:
11	Mr. Johnson	x		A	Child 2 is Mr. Wilson's
12	Mrs. Johnson			O
13	Mr. Wilson		x	B
14	Child 1	x		A
15	Child 2		x	B
16	Child 3			O
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19	Group 3	Anti-A	Anti-B			Claim:	Evidence:	Reason:
20	Mr. Johnson	x		A
21	Mrs. Johnson			O
22	Mr. Wilson		x	B
23	Child 1	x		A
24	Child 2		x	B
25	Child 3
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