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Home Q & A Board Biology-Related Homework Help General Biology
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ajoshi01 ajoshi01
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12 years ago
A second onion root tip is observed and the whole onion root tip has a total of 100 cells. Of these 100 cells, 58 are in interphase, 17 are in prophase, 11 are in metaphase, 5 are in anaphase and 9 are in telophase. If a cell undergoes mitosis in 10 hours, then how long does the average growing onion cell spend in anaphase?

Thanks sooo much!
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#1
12 years ago
Out of the 100 cells, 5 are observed in anaphase. In other words, 5% of the cells undergoing mitosis are in anaphase when observed.

And since we know that mitosis occurs in 10 hours, we can generally assume that cells will spend 5% of their "mitotic time" in anaphase. Hence, 5% of 10hrs = 0.5hrs or 30 minutes.

Cheers!
ajoshi01 Author
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#2
12 years ago
Thank you!!!
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