Question

What is anaphase - 1st???

Answer 1

Hey..mate here is yur ans...
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♦ Anaphase -1st.

> Due to shortening of chromosomal fibre and expansion of interzonal fibre, Homologous chromosomes segregate from each and move towards the opposite poles. sister chromatids remain associated at their centromere.

> Anaphase -1st is characterised by segragation or disjunction of chromosomes. Division of centromere is absent. Anaphase 1st is responsible for reduction in chromosome number in daughter cells.

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Answer 2

Heya...

Here is your answer...

Anaphase is a very important stage of cell division. 

Anaphase 1 is that phase in which homologous chromosomes separate to each side of the cell.

The centromere is intact.

Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell.

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