Which is a correct order from the greatest diameter to the least? a. jupiter, earth, mars, mercury b. saturn, jupiter, mars, earth c. mercury, saturn, earth, mars d. mars, uranus, neptune, earth

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.

true skin; another name for the dermis. lies directly beneath the epidermis and is often referred to as the true skin. outermost layer of epidermis, consisting of dead cells.