Note : Consider the y axis as 1,2,3,4(not 2,3,4) and x axis as time. Roman numerals should be considered from I-X ( some are not correct here )
Which stages show mitosis?
My answer : III-V
Which stages show meiosis?
My answer : VII-X
Am I right ?
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From your question I can conclude that if you consider only chromosome number changes (excluding DNA and Chromatid number changes, which would dramatically change the graphical interpretation):
• I to II would represent anaphase (note chromosome doubled in a single cell)
•II to III would represent karyokinesis
•III to IV would be cytokinesis ( note the chromosome number returns to its initial for the given cell taken into consideration)
•IV to V would be a complex of interphase , prophase and metaphase
• V to VI can be again anaphase
• I have interpreted that from VI to VII there has been a chromatid doubling but the number of chromosome remains same
•Steps VII to X are clearly the steps of meiosis
So to conclude steps I to VI are mitosis and VII to X are meiosis