PATHOLOGY MCQ
CELL DAMAGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In the S phase DNA duplicates.
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False
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True
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -During S phase, chromosomes replicate to give rise to two identical sister chromatids . These sister chromatids remain attached at their kinetochores . Hence there is no increase in number of chromosomes during S phase even though DNA replicates to increase its amount.
Detailed explanation-2: -DNA replication during S phase generates two identical copies of each chromosome. Each chromosome is destined for a daughter cell, but each daughter must receive one and only one copy of each chromosome.
Detailed explanation-3: -S phase It is responsible for the synthesis or replication of DNA i.e. duplication of chromosomes takes place in this phase.
There is 1 question to complete.