If a trait varies greatly within a pair of identical twins, it is mostly caused by what?

genetics

environment

nutrition

inherited

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.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Amoeba sisters video recap pedigrees