To build up food reserves in the cytoplasm, chromosomes become unfolded to start transcription of mRNA and rRNA, during which phase of meiosis I?
At which of the following stages, the chromosomes appear single, thin and thread like?
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Lampbrush chromosomes are seen in which typical stage?
An anther has 1200 pollen grain. How many PMCs must have been there to produce them?
What does (i) and (ii) represent in the given flowchart?
During meiosis - I in humans, one of the daughter cells receives
Consider the given cellat metaphase-I stage undergoing normal meisois.
Which of the following gametes will not be formed from this cell?
While in mitosis, the daughter cells resemble each other and also the parent cell; in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to
If gametes are produced after reduction division, they are termed as
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