MCQ
A dikaryon is formed when.
- AMeiosis is arrested.
- BThe two haploid cells do not fuse immediately.
- CCytoplasm does not fuse.
- DNone of the above.
Explanation:
Dikaryon is a stage/ phase of a cell, in which, there are two nuclei. This condition arises, if fusion of cytoplasm (plasmogamy) is not immediately followed by fusion of nuclei (karyogamy). Karyogamy is delayed, it occurs just before meiosis. Dikaryon occurs in stage intervening between plasmogamy and karyogamy. Such cells are called dikaryotic cells and the phase is called dikaryophase.
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$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline a.\;pinocytosis & 1.\;Animal\;cell \\ \hline b.\;Lysomes & 2.\;Cell\;wall \\ \hline c.\;ER & 3.\;Acidic\;pH \\ \hline d.\;Centriole & 4.\;Ribosomes \\ \hline & 5.\;liquid\;food \\ \hline \end{array}$