why blood group are different
Answers
Answered by
3
Answer:
It's part of our DNA. Sometimes there's a change, or mutation, in DNA. “These different blood types evolved as a result of genetic mutations, but what caused certain blood types to be more successful is likely exposure to infectious diseases or other environmental pressures,” Fyfe-Johnson said.
Answered by
1
Answer:
It's part of our DNA. Sometimes there's a change, or mutation, in DNA. “These different blood types evolved as a result of genetic mutations, but what caused certain blood types to be more successful is likely exposure to infectious diseases or other environmental pressures,” Fyfe-Johnson said.
Similar questions