MCQ
Number of chromatids at metaphase is:
- ✓Two each in mitosis and meiosis.
- BTwo in mitosis and one in meiosis.
- CTwo in mitosis and four in meiosis.
- DOne in mitosis and two in meiosis.
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$R -$ Blood drained from a convenient artery is pumped into dialyzing unit after adding anti heparin.
| Column $I$ | Column $II$ |
| $A .$ Diakinesis | $1.$ Crossing over takes place |
| $B.$ Pachytene | $2 .$ Terminalisation of chiasmata |
| $C .$ Zygotene | $3 .$ Chromosomes align at equatorial place |
| $D .$ Metaphase | $4 .$ Pairing of homologous chromosomes |
Codes
$A \quad B \quad C \quad D$
$\begin{array}{|p{0.3\linewidth}|p{0.6\linewidth}|} \hline Column\,\,-I & Column\,\,-II \\ \hline A.\,\,G_2-\,\,phase & 1.\,\,First\,\,phase\,\,of\,\,prophase\,\,-I \\ \hline B.\,\,Anaphase & 2.\,\,Proteins\,\,are\,\,synthesized\,\,in\,\,preparation\,\,for\,\,mitosis \\ \hline C.\,\,Leptoteme & 3.\,\,Terminalisation\,\,of\,\,chismata \\ \hline D.\,\,Diakinesis & 4.\,\,Contromeres\,\,split\,\,and\,\,chromatids\,\,separate \\ \hline \end{array}$