In order for me to assist you, you must attach an image of the graph. :)
Cuz they combine during fertilization and since 2 halves = 1 whole, u get gametes w a full number of chromosomes
I honestly think it is D. Impulses.
ANSWER: B) False
EXPLANATION: Natural selection occurs amongst variation. Clones are all identical
According to the law of definite proportions the formula for table salt is NaCl always never modified or changed in any way