The drug colchicine inhibits the formation of spindle fibers during mitosis. If you treat dividing plant cells with colchicine, what would you expect the result to be? AThe chromosomes are halved during cell division and the result is a cell that has half the number of chromosomes than it would normally have.

B. The chromosomes do not pull apart in an orderly fashion during cell division and the result is two cells with unequal numbers of chromosomes.

C. The chromosomes are separated during prophase and each of the four daughter cells receives a haploid number of chromosomes.

D. The chromosomes do not pull apart during cell division and the result is a cell that has double the number of chromosomes than it would normally have.

Question

Jenkins

Biology

8 August, 21:50

The drug colchicine inhibits the formation of spindle fibers during mitosis. If you treat dividing plant cells with colchicine, what would you expect the result to be? AThe chromosomes are halved during cell division and the result is a cell that has half the number of chromosomes than it would normally have.

B. The chromosomes do not pull apart in an orderly fashion during cell division and the result is two cells with unequal numbers of chromosomes.

C. The chromosomes are separated during prophase and each of the four daughter cells receives a haploid number of chromosomes.

D. The chromosomes do not pull apart during cell division and the result is a cell that has double the number of chromosomes than it would normally have.

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Answers (1)

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Natalie Le · Answer 1

The correct answer is: D. The chromosomes do not pull apart during cell division and the result is a cell that has double the number of chromosomes than it would normally have.

Colchicine is alkaloid produced by many plants and it is mitotic inhibitor. Colchicine inhibits the micro tubules to assemble to form spindle fibers, so consequently, chromosome segregation and the cell division are arrested at metaphase.