Đáp án:

Giải thích các bước giải:

Bộ lưỡng bội $2n$

 $*\text{nguyên phân}$ \begin{array}{|c|c|c|}\hline \text{Các kì}&\text{Trạng thái NST}&\text{Số lượng NST}\\\hline \text{Kì đầu}&\text{kép}&\text{2n}\\\hline \text{Kì giữa}&\text{kép}&\text{2n}\\\hline \text{Kì sau}&\text{đơn}&\text{4n}\\\hline \text{Kì cuối}&\text{đơn }&\text{2n}\\\hline\end{array} $*\text{giảm phân}$ \begin{array}{|c|c|c|}\hline \text{Các kì}&\text{Trạng thái NST}&\text{Số lượng NST}\\\hline \text{Kì đầu I}&\text{kép}&\text{2n}\\\hline \text{Kì đầu I}&\text{kép}&\text{2n}\\\hline \text{Kì sau I}&\text{kép}&\text{2n}\\\hline \text{Kì cuối I}&\text{kép}&\text{n}\\\hline\text{Kìđầu II}&\text{kép}&\text{n}\\\hline\text{Kì giữa II}&\text{kép}&\text{n}\\\hline\text{Kì sau II}&\text{đơn}&\text{2n}\\\hline\text{Kì cuối II}&\text{đơn}&\text{n}\\\hline\end{array}

$\text{* Nguyên phân:}$

\begin{array}{|c|c|c|}\hline \text{}&\text{Số NST}&\text{Trạng thái}\\\hline \text{Kì đầu}&\text{2n}&\text{kép}\\\hline \text{Kì giữa}&\text{2n}&\text{kép}\\\hline \text{Kì sau}&\text{4n}&\text{đơn}\\\hline \text{Kì cuối}&\text{2n}&\text{đơn}\\\hline\end{array}

$\text{* Giảm phân I:}$

\begin{array}{|c|c|c|}\hline \text{}&\text{Số NST}&\text{Trạng thái}\\\hline \text{Kì đầu}&\text{2n}&\text{kép}\\\hline \text{Kì giữa}&\text{2n}&\text{kép}\\\hline \text{Kì sau}&\text{2n}&\text{kép}\\\hline \text{Kì cuối}&\text{n}&\text{kép}\\\hline\end{array}

$\text{* Giảm phân II:}$

\begin{array}{|c|c|c|}\hline \text{}&\text{Số NST}&\text{Trạng thái}\\\hline \text{Kì đầu}&\text{n}&\text{kép}\\\hline \text{Kì giữa}&\text{n}&\text{kép}\\\hline \text{Kì sau}&\text{2n}&\text{đơn}\\\hline \text{Kì cuối}&\text{n}&\text{đơn}\\\hline\end{array}