if your an arab then your blood is different but if ur ancestor lived anywhere in indian subcontint then you have same blood ,BY CONVERTING TO ISLAM ONE BLOOD DONE CHANGE (NO NEW D.N.A IS IMPLANTED IN YOU ,CAUSE UR A MUSLIM),i am a muslim but my culture "except some typical islamic things" is simillar to the marathi hindus then muslim from arabia our even till some extent with north indian,i and an hindu maratha share same blood i would say we are from same family and part of my surname is marathi "DESAI" which means a warlord ,u too have muslims with surname like Rana right,remember identity is regional not religious, religion can change but blood cant