4. If the nucleus is extracted from an adult animal cell and placed into an enucleated egg, how would it be possible to distinguish the cloned individual from the original?
Answer (3)
It will have traits from the parent of the enucleated egg still because only the nucleus was extracted. The mitochondria and other organelles are still contained.
When nucleus is extracted from an adult animal cell and placed into an enucleated egg, it will distinguish on the basis of having traits from the parent of the enucleated egg still because only the nucleus was extracted . The mitochondria and other organelles are still contained.
How enucleated egg is used for cloning?
The technique consists of taking an enucleated oocyte (egg cell) and implanting a donor nucleus from a somatic (body) cell. It is used in both therapeutic and reproductive cloning.
Also, when you remove the nucleus, it is called enucleation . Removing the nucleus requires the use of a small needle that is inserted into the cell. The needle sucks the nucleus out of the cell.
Hence, when an egg cell is enucleated, that is, the nucleus is removed and replaced with the nucleus from the body cell of an animal of the same kind.
Learn more about use of enucleated egg for cloning:
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A cloned individual would be genetically identical to the original in terms of nuclear DNA but would differ in mitochondrial DNA, developmental factors, and possible epigenetic changes, leading to observable differences. The cloning process itself can introduce variations, impacting traits in the cloned individual. Therefore, while there are similarities, there are also several factors that can distinguish the two individuals.
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