Read the following statements:
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
$(a)$ Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
$(b)$ Metaphase chromosome is made up of one sister chromatid.
- AOnly $(b)$ is correct
- BBoth $(a) \& (b)$ are incorrect
- COnly $(a)$ is correct
- DBoth $(a) \& (b)$ are correct
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Similar Questions
Which of the following structures reform at the end of telophase?
Easy
View SolutionTelophase shows the following key events:
$1.$ Chromosomes cluster at opposite spindle poles
$2.$ Spindle fibres attach to kinetochores of chromosomes
$3.$ Nuclear envelope assembles around the chromosome clusters.
$1.$ Chromosomes cluster at opposite spindle poles
$2.$ Spindle fibres attach to kinetochores of chromosomes
$3.$ Nuclear envelope assembles around the chromosome clusters.
Medium
View Solution$A$ student observed a slide of mitosis under the microscope and noted that the chromosomes were positioned at the opposite poles. Which stage was the student observing?
What stage occurs before the cell enters mitosis?
Medium
View SolutionThe $M$ phase starts with ..........
Medium
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