D, specifically because if the parents have/had this, it is likely the patient does
<span>Nucleus is the central organelle of the cell which encloses the DNA. Apart from the nucleus, there are few other organelles which have their own DNA.Mitochondria,power house of the cell has its own DNA.so the selected cell possess is mitochondria and chloroplasts.</span>
The answer is B. Light microscope
It happens during the s phase