The diagram below shows the Earth's primary tectonic plates.

is it the question: What is the process is show, and how does it affect the movement of tectonic plates?

Explanation:

Then...

When tectonic plates rub against each other they create a mountain or volcano.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.