Question

distinguish anaphase of mitosis from mitosis 1 of meiosis

Answer 1

ANAPHASE OF MITOSIS:

during the anaphase of mitosis the sister chromatids of each chromosome separate from one and other and past two opposite poles of the spindle as daughter chromosomes this is caused by the division of the centromere and the contraction of the spindle fibres as a result of this the original diploid number is maintained in the daughter cells



ANAPHASE 1. OF MEIOSIS :

during this process the two chromosomes of each bivalent separate from one another and pass to the opposite poles of the spindle .but the two chromatics of each chromosome still continue to remain join with each other at the centromere the only one chromosome of each normal August pe reaches each pole it is because of this that the nucleus of each daughter cell get only half of the number of( haploid) chromosomes present in the original cell



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Answer 2

Answer:

Mitosis:

Reproduction of diploid cells (with 46 chromosomes) .

There are four stages that occur during Mitosis,

Inter phase. (1) Pro phase (2) Meta phase (3) Ana phase (4) Te lo phase and Cytokineses.

What occurs in Mitosis is that, during meta phase, all the chromosomes align themselves upon the equator (meta phase plate) of the cell, in 46 pairs of chromosome. In the Ana phase, spindle fibres are generated, which pull the chromosomes apart from the centre-o-mere.

Meiosis:

Meiosis is reproduction in haploid cells. (in reproductive cells like Gametes).

In Meiosis, there are 2 categories. Meiosis 1, and Meiosis 2.

In Meiosis 1, during Meta phase, the chromosomes line up, but the 46 pairs of chromosomes (92 chromosomes) line up together in 23 pairs of 2 chromosomes. (46 pairs / 92 chromosomes). Thus, upon the formation of spindle fibres, the chromosomes are pulled to either side of the cell, in pairs themselves.

Thus, their difference could be summarised in the following phrase:

In the Ana phase phase of Mitosis, the equal separation or dis junction of the sister chromatids occurs.

In the Ana phase phase of Meiosis I, the separation of homologous chromosomes occur. Meanwhile, the sister chromatids remain attached to each other.

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