Chiasmata are most appropriately observed in meiosis during :
During the cell cycle, DNA content is doubled in the
end of M phase
Cell cycle is a series of cyclic changes through which a cell passes during its growth and division. In the cell cycle, the resting stage or interphase can be divided into three periods.
G1 phase: RNA and Protein synthesised
S phase: DNA is formed from purines and pyrimidines. The DNA content of nucleus would be doubled.
G2 phase: Synthesis of RNA and protein continues, but DNA synthesis stops.
In meiosis division is
Ist reductional and IInd equational
Ist equational and IInd reductional
Lampbrush chromosomes are seen in which typical stage
Colchicine prevents the mitosis of the cells at which of the following stage?
When synapsis is complete all along the chromosome, the cell is said to have entered a stage called
Which of the following maintain the constant number of chromosomes generation after generation?