That would be C heterozygous.
Dd. Heterozygous.
DD. Homozygous dominant
dd. Homozygous recessive
3.) Mitochondria
MOST of cellular respiration in Eukaryotic cell is in the mitochondria
If you have a disease like this, it most likely affects your immune system, or your ability to fight off bacteria (that's what your white blood cells do). A person with aids most likely was sick with something simple that evolved into pneumonia because the white blood cell count was low (their immune system was down).