Suggest why most plants die very quickly if their roots are cut off​

because plants are living things, and so if someone cuts you in half, then you're most likley gointnto die pretty quick. HOWEVER ur body will still most likley be moving because of adrenaline and left over energy.

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.