Organisms have been created by nuclear transfer cloning, in which a diploid nucleus from a somatic cell of an adult animal is injected into an enucleated egg cell to create an embryo. Among the many species thus cloned, there has been a prevalence of mitochondrial defects. Which of the following is the most likely explanation?
A) The egg nucleus may have had one or more mutations that alter mitochondrial function.
B) The somatic cell's mitochondria may have been transferred as well.
C) The egg cell may be heteroplastic before injection.
D) The transferred nucleus may destroy the egg mitochondria.
E) The transferred nucleus may have mutations that are incompatible with the egg cell's mitochondrial function.
Correct Answer:
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