CELL DIVISION
THE CELL CYCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The daughter cell would be small and possibly not able to store enough nutrients within the cell to survive. It can also cause cancer.
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The DNA in the daughter cells would not be able to complete and the cells would not survive.
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The chromosomes might end up in the wrong daughter cell. For example, one cell might get both copies of chromosomes while the other gets none.
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Detailed explanation-1: -Predict the result of a mutation that allows a cell to move past checkpoint M even though the chromosomes were not prepared for division. the chromosomes might end up in the wrong daughter cell. for example, one cell might get both copies of a chromosomes while the other gets none.
Detailed explanation-2: -Answer and Explanation: If the cell cycle checkpoints fail, cells that are not replicating correctly will be allowed to continue to grow and multiply. This is dangerous because the cell cycle mutations that are causing the failure can be passed on through the cell lineage.
Detailed explanation-3: -Predict the result of a mutation that allows a cell to move past checkpoint G2 even though the DNA replication has not been completed. the DNA in the daughter cells would not be complete and the cells would not survive.
Detailed explanation-4: -Checkpoints are mechanisms that regulate progression through the cell cycle insuring that each step takes place only once and in the right sequence. Mutations of checkpoint proteins are frequent in all types of cancer as defects in cell cycle control can lead to genetic instability.
Detailed explanation-5: -In this phase, cells have several important checkpoint mechanisms to ensure that the cell is healthy enough to proceed to the next stage of the cell cycle. “When these mechanisms fail due to genetic mutations, cells can progress through G1 phase unimpeded and can ultimately lead to cancer, ” explains Steven Cappell, Ph.