It is believed that mitchondrial DNA (mtDNA) follows a non-Mendelian inheritance pattern. It is hypothesized that all
mitochondria are inherited from the egg, and the sperm cell does not contribute mitochondria to the fertilized egg.
Which of the following experimental procedures would be the best method to test this theory?
Test the mtDNA of random flies to determine if all flies have the same mtDNA
Mate a specific fly, and test the mtDNA of both a male and female offspring to see if the mtDNA is identical to the
mother.
Mate a specific female fly, and select a male and female offspring. Mate them with each other and test the mtDNA of
the "grandchildren."
O Mate a female fly, and mate the offspring with unrelated flies with different mtDNA. Test the mtDNA of the
"grandchildren."
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