If you have an egg from the mother that is fertilized by the father an implanted into a surrogate, how does the blood from the surrogate not intermingle with the dna from the parents and change or add to the dna.
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1. It is impossible to change DNA once the fertilisation has been completed.
2. Mother's and fetus's blood NEVER mix, otherwise mother's immune system would recognize foreign presence and kill the fetus.
2. Mother's and fetus's blood NEVER mix, otherwise mother's immune system would recognize foreign presence and kill the fetus.
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Both parents contribute chromosones, which pair up and create an embryo. They are the sole contributors to the baby's DNA. Once the embryo is created, that's it. The DNA cannot be influenced or altered.
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Surrogate's blood only provides nutrition and oxygen to the foetus. It has nothing to do with the genetic make up of the foetus which is determined by what genes are present in the sperm and ovum of the biological parent.
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The blood of the surrogate does not intermingle with the fetus's blood,
and blood never intermingles with DNA anyhow!
The DNA is inside the cells and further inside the nuclei.
Blood does into get into cells.
and blood never intermingles with DNA anyhow!
The DNA is inside the cells and further inside the nuclei.
Blood does into get into cells.