Thirty-eight because the chromosome pairs are 19 and therefore, no. of chromosome will be 38.
B explained is that idek I just need points
Polyploidy is the term that describes the chromosomal abnormality of having extra chromosomes.
The explanations of natural phenomena, and additional hypothesis most often come about as a result of a scientific theory.
Explanation:
Scientific theory is a general explanation of natural phenomena developed through extensive and reproducible observations, more general and reliable than a hypothesis.
Then Every scientific theory starts as a hypothesis. A scientific hypothesis is a solution for an unexplained occurrence that does not fit into a currently accepted scientific theory. It must be based on careful rational examination of the facts.
The answer is C build muscle hair and nails
