Which of the Following Is a Method That Could Result

Multiple Choice

Which of the following is a method that could result in a polyploid organism 1.A cell could go through mitosis without going through cytokinesis.
2) A cell could go through meiosis without properly separating the homologous pairs
3) A cell could go through mitosis while doubling the rounds of cytokinesis

A) 1
B) 2
C) 3
D) 1 and 2
E) 2 and 3