In metaphase I- the spindle fibers attach to the - nbsp- In metaphase II- the spindle fibers attach to the - nbsp-homologous chromosomes- sister chromatidssister chromatids- homologous chromosomesnon-homologous- homologous chromosomeshomologous- non-homologous chromosomes

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Standard IX

Biology

Chromosomes

In metaphase ...

Question

In metaphase I, the spindle fibers attach to the .
In metaphase II, the spindle fibers attach to the .

homologous chromosomes; sister chromatids

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sister chromatids; homologous chromosomes

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non-homologous; homologous chromosomes

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homologous; non-homologous chromosomes

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Solution

The correct option is A homologous chromosomes; sister chromatids
Metaphase I of meiosis I: The homologous chromosomes align at the equatorial plate. The spindle fibers attach to the homologous chromosomes.

Metaphase II of meiosis II: The chromosomes align at the equatorial plate and the spindle fibers attach to the sister chromatids.

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Similar questions

Q. Match the description (given in column I) with correct stage of prophase I (given column II) and choose the correct option. Column I Column II

A) Chromosomes are moved to spindle equator	1) Pachytene
B) Centromere splits and chromatids move apart	2) Zygotene
C) Pairing between homologous chromosomes takes place	3) Anaphase
D) Crossing over between homologous chromosomes takes place	4) Metaphase

Q. During metaphase I, the spindle fibers attach to the _______ on the chromosomes.

Question 4
During Anaphase - I of meiosis
(a) homologous chromosomes separate
(b) non-homologous autosomes separate
(c) sister chromatids separate
(d) non-sister chromatids separate

Q. Match column I with column II and select the correct option from the given codes.

Sr. no	List I	Sr.no	List II
A.	Chromosomes move to equator	1.	Pachytene
B.	Centromere splits and chromatids move apart	2.	Zygotene
C.	Pairing between homologous chromosomes	3.	Anaphase
D.	Crossing over between homologous chromosomes	4.	Metaphase

Q. Match the description (given in column I) with correct stage of prophase I (given column II) and choose the correct option.

	Column- I		Column- II
A.	Chromosomes are moved to spindle equator	I.	Pachytene
B.	Centromere splits and chromatids move apart	II.	Zygotene
C.	Pairing between homologous chromosomes takes place	III.	Anaphase
D.	Crossing between homologous chromosomes	IV.	Metaphase

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In metaphase I, the spindle fibers attach to the ______. In metaphase II, the spindle fibers attach to the ______.

In metaphase I, the spindle fibers attach to the .
In metaphase II, the spindle fibers attach to the .