How does sexual reproduction help to maintain genetic variation? Select all that apply. a)Reduction division reduces the number of chromosomes in a reproductive cell, resulting in four daughter cells with different DNA.
b) Reduction division increases the number of chromosomes in a cell, giving the gamete more genetic material to pass on.
c) Fertilization copies the DNA in an organism and creates a new organism with the same genetic code. d) Fertilization, or the fusing of two gametes, creates an organism with a new combination of DNA.​

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.