What type of substance is reactant A?

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Which experiment would most likely contain experimental bias ?

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion