Forensics

The Case of the Kidnapped Newborn

Blood A Blood B Blood O Evidence 1 Mr. Jones Mr. Smith Newborn Susp. Wife

A B C D E F G H

Anti-A

1

Results

Anti-B

2

Blood Type Possible Genotypes NR NR NR NR NR NR

A B O A B A O AB I A I A or I A i I B I B or IBi

ii

I A I A or I A i I B I B or IBi I A I A or I A i

ii

I A I B