So they all got LEU, SER
Three first got GLU at the sam place
The one least related must be organism number 4.
Hope that helped.
c. Light independent reactions
Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
Fire can be accidental or intentional, and it can cause erosion.
