Which of the following is a scientific theory related to Earth Science? (mark all appropriate options) Select one or more:
a. Big Bang Theory
b. Plate Tectonics
c. Theory of Relativity
d. Giant Impact Theory

Plate Tectonics

Explanation:

The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.

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.