Answer:
20
Explanation:
during meiosis the number of chromosomes is split in half
The answer is d.
hope this helps!
Multiple sclerosis develops when nerve cells in the brain and spinal cord lose the insulating mylien sheaths that surround them.This can happen anywhere in the CNS and is random.
Symptoms are Muscle weakness, loss of sensory input from the skin and other areas, poor vision and mental problems due to the loss of the protective mylien the neurons stop conducting the impulses and hence there is a loss of functions controlled by the areas of the CNS concerned.
Hope this helps! :)
Sexual Reproduction: There is more genetic diversity, it promotes survival, and removes bad genes from the population.
Asexual Reproduction: It is faster, and no mates are required.
Brainliest answer, please?
