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Biology GCSE

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Pregunta:

What are the steps to therapeutic cloning? Use the images to help you.

Autor: Samuel Obigbesan

What are the steps to therapeutic cloning? Use the images to help you.



Respuesta:

You get the patient's cell ideally one healthy one. Inside, would be a nucleus with a full set of chromosomes of 46. You would then remove the nucleus and put an empty egg cell into it. So, you get an egg from the donor with half the full set of 23. You would only need the cell membrane of the cell - nothing else nor the DNA associated with the egg cell, so you would remove the nucleus and put in into the bin. You would have an empty egg without a nucleus. You put the patient's nucleus with the donor's empty egg cell. The cell is tricked to become a zygote. There is then the fertilised egg. You then give the cell a small and slight electic shock to get the cell to start dividing into an embryo or a ball of cells. All the cells are identical and have the potential to become totipotent. So, for example, the patient had spinal paralysis, you would separate them with a petri dish. If there was the right cocktail of hormones, you would then program it to differentiate to start making extra or less sub-cellular structures. A nerve cell could be produced by nerve cells to treat paralysis. Cells that give insulin could also be formed for people with diabetes. A brain chemical, dopamini, could also be formed in the brain. The embryo does not get implanted into a uterus of umbilical cord though.


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