3: ThequiCkBroWNcatJUMpSOVERlAZY 2: bDFfgH Genes should be unique across chromosomes Genes should be unique across chromosomes 4: IjKLmnPQs Genes should be unique across chromosomes 5: wxyz 1: 2: bDFfgH 3: ThequiCkBroWNcatJUMpSOVERlAZY 4: IjKLmnPQs 5: wxyz b reversed BroWN reversed zyxw reversed fF reversed Non-existent chromosome sequence 3: ThequiCkNWorBcatJUMpSOVERlAZY 1: Gene does not exist in sequence Sequences overlap Db and Hg swapped 1: ThequiCkNWorBcatJ and yz swapped DbFfHg and sQPnmLKjI swapped Non-existent chromosome sequence 4: gHfFbD kCiuq reversed Genes should be unique across chromosomes xThekCiuqNWorBcat reversed lREVOSp reversed Gene does not exist in sequence Gene does not exist in sequence gH and sQPnm swapped 5: JxThekCiuqNWorBcatw J and cat swapped 1: 2: IjKLHg 3: yzUMlREVOSpAZY 4: sQPnmfFbD 5: catxThekCiuqNWorBJw Non-existent chromosome sequence