Which expression represents the difference between (0, a) and point (a, 0) on a coordinate grid?

Step-by-step explanation:

Suppose we have two points:

The distance between these points is:  

In this question:

We have to find the difference between these two points.

(0, a) and (a,0). So

So the answer is:

answer: okw

step-by-step explanation:

homozygous. one is homozygous, while two is heterozygous.