D
This is because of greenhouse gases and polution.
25% would have tay-sachs disease, 25% normal, 50% carriers
Answer:
genes containing dna.
Explanation:
during reproduction genes containing dna, are passed along to an organisms offspring. these genes ensure that the offspring will belong to the same species.
Mitosis (also known as cellular division) is just copying of cells. So the answer would be 18.If the question were about meiosis (sexual division), then the answer would be 9, because that would make 4 daughter cells, each encompassing half the original number of chromosomes (18).
True because the mitochondria is the major organelle that provides energy for the body
