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Question

what are the basic differences between the phases of mitosis nad miosis?

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Solution

The differences between different stages of mitosis and meiosis are as follows:
Prophase
Mitosis Meiosis
Paring of chromosomes does not occur. Pairing of homologous chromosomes takes place.
Crossing over is absent. Crossing over occurs between non-sister chromatids of homologous chromosomes.
It is of short duration. Prophase I is of longer duration while prophase II is very brief.
Prophase is not distinguishable into substages. Prophase I is divided into substages. Prophase II is simple.
Metaphase
Mitois Meiosis
Chromosomes are independent and do not show connection. Homologous chromosomes are interconnected.
A centromere is connected with both the spindle poles. A centromere is connected to one spindle pole in metaphase I but both in metaphase II.
Two chromatids of a chromosome are genetically similar. The two chromatids of a chromosome are genetically different due to crossing over.
Anaphase
Mitosis Meiosis
A centromere splits lengthwise to form two centromeres in the beginning of anaphase. Centromeres do not divide during anaphase I but do so in anaphase II.
Anaphasic chromosomes are single stranded. Chromosomes are double stranded in anaphase I but single stranded in anaphase II.
Similar chromosomes move towards the opposite poles in anaphase. Dissimilar chromosomes move towards the opposite poles both in anaphase I and anaphase II.
Telophase
Mitosis Meiosis
Telophase is longer and produces interphase nuclei. Telophase I is shorter and nuclei never enters the interphase.

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