A) Due to the joining of the two gametes (sperm cell and egg which both have 23 chromosomes, the fertilised egg has 46 chromosomes) and because a skin cell is a normal cell (not a sex cell) it has 46 chromosomes.
You can automatically eliminate choice B because a zygote is the name for the cell produced when a sperm cell and egg joins, meaning it now has both 23 chromosomes from each of the sex cells, meaning it has 46 chromosomes. Sperm cells only ever have 23 chromosomes.
Answer:
I'm not sure but I think its "C".
Explanation:
Answer: Uncertainty
Explanation:
The principle of science used here is uncertainty. The various doctors attributed their sickness to hookworm gotten from cat and dogs but the uncertainty here is that it wasn't described they had access to the water because they were disappointed by the feces of dogs and cat found around, and how they all got the same rashes at the same time is questionable