Can dna transfer from one person to another during blood transfusion
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No. However, while the transfused blood is in the recipient, there will be the donor's DNA in the recipient. If you performed a DNA test on the recipient, you'd see a mix of the donor and recipient's DNA in the test.
Blood cells will live for about 120 days before being filtered out by the spleen, liver, and bone marrow. So, over the course of 4 months, the amount of donor blood in the bloodstream will be in constant decline, being replaced with recipient blood. After that time, there should be no trace of the donor blood in the recipient.
If the donor blood carries viruses, those viruses can infect recipient cells.
Most of the cells in a blood transfusion are red blood cells, which don’t have nuclei and therefore, no DNA. There are white blood cells that will have some DNA, but this basically just rides around in the recipient’s veins until the white blood cells deteriorate. It doesn’t get into the recipient’s cells’ nuclei where it would change the recipient’s DNA.
Blood cells will live for about 120 days before being filtered out by the spleen, liver, and bone marrow. So, over the course of 4 months, the amount of donor blood in the bloodstream will be in constant decline, being replaced with recipient blood. After that time, there should be no trace of the donor blood in the recipient.
If the donor blood carries viruses, those viruses can infect recipient cells.
Most of the cells in a blood transfusion are red blood cells, which don’t have nuclei and therefore, no DNA. There are white blood cells that will have some DNA, but this basically just rides around in the recipient’s veins until the white blood cells deteriorate. It doesn’t get into the recipient’s cells’ nuclei where it would change the recipient’s DNA.
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