DNA technology of three people has led to the birth of 8 healthy babies in the UK, who are free from incurable diseases. Can a child have three parents?
For the first time in Britain, a new technique has resulted in the birth of 8 children who are born from the DNA of three people and are completely free from incurable mitochondrial disease. This revolutionary technique is called Mitochondrial Replacement Therapy (MRT). This can start the era of “3 Parent Super Baby” in the world of science.
Is it possible for a child to have three DNAs?
Yes, this has now become possible through science.
In this process the child:
50% DNA from the father
50% DNA from the mother
And a very small portion (about 0.1-0.2%) comes from a third female donor, who provides only mitochondria.
What is Mitochondrial Replacement Therapy (MRT)?
It is an advanced IVF technique in which:
The defective mitochondria are removed from the mother’s egg.
It is replaced with an egg from a healthy female donor.
Fertilization is done with the father’s sperm.
This results in a baby who is genetically identical to both parents, but whose cells are rich with the donor woman’s healthy mitochondria.
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What is 3 Parent Super Baby?
“3 parent super baby” is such a child:
Who has the DNA of three people.
Who is free from incurable diseases like Mitochondrial disorders.
Who is protected at the gene-level.
Is it legally and ethically valid?
This technique has been legally accepted in the UK since 2015.
However, ethical debates are still going on in many countries of the world:
Is this the first step towards Designer Baby?
Is this tampering with human DNA?
Is it possible for a kid to have three parents?
Yes, but this is only at the scientific level.
Legally and socially the child’s parents are the ones from whom his primary DNA comes (mother and father).
The third woman is just a mitochondria donor.
Why is the success of this technology special?
So far 8 babies have been born – all are healthy.
This proves that MRT can prevent incurable diseases.
This is giving hope to thousands of families where the mother is a carrier of the disease.
The future of this technology
There is a growing demand for adopting this technology all over the world.
Scientists believe that this is just the beginning of treatment for rare genetic disorders.
MRT may be used in more customized genetic treatment in the future.
