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The chromatin material which takes darker stain in interphase is called:-
- a)Euchromatin
- b)Heterochromatin
- c)Primary constriction
- d)Satellite body
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
The chromatin material which takes darker stain in interphase is calle...
Heterochromatin
Heterochromatin is a tightly packed form of DNA that appears darker under a microscope during interphase. It is composed of repetitive DNA sequences and is typically found in regions of the genome that do not code for genes.
Types of Heterochromatin
There are two types of heterochromatin: constitutive and facultative.
- Constitutive heterochromatin is always condensed and can be found in specific regions of the genome, such as the centromeres and telomeres.
- Facultative heterochromatin is condensed only in certain cells or during specific stages of development. This type of heterochromatin can be found in regions of the genome that are not actively transcribed.
Functions of Heterochromatin
Heterochromatin plays a role in gene regulation and chromosome structure.
- Gene regulation: The tightly packed DNA in heterochromatin is inaccessible to the transcription machinery, which prevents genes in these regions from being expressed.
- Chromosome structure: Heterochromatin helps to maintain the structure of chromosomes. For example, constitutive heterochromatin at the centromeres plays a role in ensuring proper chromosome segregation during cell division.
In conclusion, heterochromatin is a type of chromatin material that appears darker under a microscope during interphase. It is composed of repetitive DNA sequences and is involved in gene regulation and chromosome structure.
Heterochromatin is a tightly packed form of DNA that appears darker under a microscope during interphase. It is composed of repetitive DNA sequences and is typically found in regions of the genome that do not code for genes.
Types of Heterochromatin
There are two types of heterochromatin: constitutive and facultative.
- Constitutive heterochromatin is always condensed and can be found in specific regions of the genome, such as the centromeres and telomeres.
- Facultative heterochromatin is condensed only in certain cells or during specific stages of development. This type of heterochromatin can be found in regions of the genome that are not actively transcribed.
Functions of Heterochromatin
Heterochromatin plays a role in gene regulation and chromosome structure.
- Gene regulation: The tightly packed DNA in heterochromatin is inaccessible to the transcription machinery, which prevents genes in these regions from being expressed.
- Chromosome structure: Heterochromatin helps to maintain the structure of chromosomes. For example, constitutive heterochromatin at the centromeres plays a role in ensuring proper chromosome segregation during cell division.
In conclusion, heterochromatin is a type of chromatin material that appears darker under a microscope during interphase. It is composed of repetitive DNA sequences and is involved in gene regulation and chromosome structure.
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Community Answer
The chromatin material which takes darker stain in interphase is calle...
Heterochromatin is a tightly packed form of DNA which comes in different varieties. So the chromatin material which takes darker stain in interphase is called heterochromatin.
So option " B " is correct answer.
So option " B " is correct answer.
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The chromatin material which takes darker stain in interphase is called:-a)Euchromatinb)Heterochromatinc)Primary constrictiond)Satellite bodyCorrect answer is option 'B'. Can you explain this answer?
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