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Is it normal to have both positive and negative blood?
Query: Hi doctor, When I was 17, I donated blood. They sent me a card with my blood type B positive. When I was pregnant, the first time they tested it twice and told me it was B negative. I thought the donation test had been wrong. After my second child, my doctor upon hearing this story checked my blood ... Read Full »
Answer: Hi,Welcome to icliniq.com.A person who has more than one set of DNA is a chimera, and the condition is called chimerism.Chimerism usually does not cause problems. It is rarely diagnosed and making it hard for scientists to say how prevalent the phenomenon truly is.It is probably less rare than was o... Read Full »