The answer to the given question above would be FOUR. The number of copies of a DNA molecule that results from two replications of a single DNA molecule is FOUR. Since there are two replications, this makes the DNA molecule four. Hope this answers your question.
Answer:
The cells Differentiated
Explanation:
The neutral tube is a precursor to form nervous tissues. Thus, on trnasplantation to another embryo, the transplanted cells differentiated to form nervous tissues.
if I remember correctly I'm pretty sure all cells have a nucleus
