Question

Identify the given diagram :
Which statement is true for just next stage of above
diagram?
) Homologous chromosomes separate.
(2) Sister chromatids separate
(3) Nuclear membrane and nucleolus reappear
(4) The bivalent chromosomes align on the equator
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Answer 1

Answer:

option b

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Answer 2

Here is your answer:

Anaphase I: The homologous chromosomes separate, while sister

chromatids remain associated at their centromeres

Telophase I: The nuclear membrane and nucleolus reappear, cytokinesis

follows and this is called as diad of cells .Although in many

cases the chromosomes do undergo some dispersion, they do not reach

the extremely extended state of the interphase nucleus. The stage between

the two meiotic divisions is called interkinesis and is generally short lived.

Interkinesis is followed by prophase II, a much simpler prophase than

prophase I.

10.4.2 Meiosis II

Prophase II: Meiosis II is initiated immediately after cytokinesis, usually

before the chromosomes have fully elongated. In contrast to meiosis I,

meiosis II resembles a normal mitosis. The nuclear membrane disappears

by the end of prophase II The chromosomes again become

compact.

Metaphase II: At this stage the chromosomes align at the equator and

the microtubules from opposite poles of the spindle get attached to the

kinetochores of sister chromatids.

Anaphase II: It begins with the simultaneous splitting of the centromere

of each chromosome (which was holding the sister chromatids together),

allowing them to move toward opposite poles of the cell