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Centrosome/ Centrioles

A chromosome ...

Question

A chromosome in which the centromere is situated close to its end, so that one arm is short and the other is long is

A

Sub-metacentric

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B

Metacentric

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C

Acrocentric

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D

Telocentric

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Solution

The correct option is C
Acrocentric

Depending on the position of the centromere, chromosomes are of the following types:

Metacentric chromosome: The centromere is present right in the middle of the chromosome.

Sub-metacentric chromosome: The centromere is present a little away from the middle of the chromosome.

Acrocentric chromosome: The centromere is present close to one of the ends of the chromosome.

Telocentric chromosome: A terminal centromere.

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Similar questions

Q. A 'V' shaped chromosome has to
(a) acrocentric
(b) metacentric
(c) telocentric
(d) sub-metacentric

Q. Why is one arm in sub metacentric chromosomes longer than the other.

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.	V-shaped at anaphase	1.	Acrocentric chromosome
b.	L-shaped at anaphase	2.	Metacentric chromosome
c.	J-shaped at anaphase	3.	Telocentric chromosome
d.	I- shaped at anaphase	4.	Sub-metacentric chromosome

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Q. Assertion :The acrocentric chromosome has centromere at the terminal position. Reason: The metacentric chromosome has centromere slightly away from of the chromosomes.

Q. Assertion :The acrocentric chromosome has centromere at the terminal position Reason: The metacentric chromosome has centromere slightly away from the middle of the chromosome

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