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Byju's Answer
Standard IX
Biology
Growth in Animals
Identify the ...
Question

Identify the changes that occur during anaphase.


A

Chromatin reticulum condenses to form chromosomes.

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B

Chromosomes get aligned at the equator of the cell.

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C

Chromatids of the chromosomes separate.

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D

Daughter chromosomes with single chromatids move to each pole.

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Solution

The correct options are
C

Chromatids of the chromosomes separate.


D

Daughter chromosomes with single chromatids move to each pole.


The changes that occur during anaphase are:

1. Chromatids of the chromosomes separate.

2. Daughter chromosomes with single chromatids move to each pole.


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Q. Assertion :During anaphase, centromere of each chromosome splits to the chromatids separate. Reason: During anaphase, chromatids move to opposite poles.
Q. The events shown below occur during different phases:
a. Centromere splits, chromatids separate and move to opposite poles, chromatids are now called chromosomes.
b. Chromosomes cluster at opposite poles, decondensation of chromosomes, reappearance of the nuclear membrane, golgi bodies, and the ER.
c. Chromosomal replication.
d. Kinetochores attach to spindle fibres and chromosomes are arranged at the equatorial plate.
e. Condensation of chromosomal materials.

Which of the following correctly identifies each of the phases described?
Q. Assertion (A): For a particular character in an individual, each gamete gets only one allele
Reason (R): Chromatids of chromosomes separate and move towards opposite poles during anaphase of mitosis
Q. Identify the incorrect match


MetaphaseAnaphaseAnaphase-1
1)Chromosomes are moved to spindle equatorDaughter chromatids separate Chromatids remain associated
2)Chromosomes are moved to spindle equator Centromeres are towards poles Centromeres are towards the equator
3)Starts with complete nuclear member disintegrationCentromeres are towards poles Segregation of homologous chromosomes
4)Starts with complete nuclear member disintegration Centromeres splitSegregation of homologous chromosomes

Q. Assertion (A): For a particular character in an individual, each gamete gets only one allele
Reason (R): Chromatids of chromosomes separate and move towards opposite poles during anaphase of mitosis
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