Hypothesis is what you think will happen before the experiment, it isn't necessarily backed up by any sources or evidence. A scientific law is the observation of a phenomenon and a theory is the explanation both can be used together to back each other up.
Answer: research it? i dont know
Explanation:
I did this in my class a year ago and as far as i remember it was in the 1700 but i think 1767 to be exact
Answer: They got 16chromosomes from each parent
Explanation: