The puffs and rings are associated with the

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(B) The puffs and rings,also known as Balbiani rings,are specific structures observed in polytene chromosomes.These puffs represent sites of intense g

Vedclass · Accepted Answer

Polytene chromosomes

Vedclass · Answer

(B) The puffs and rings,also known as Balbiani rings,are specific structures observed in polytene chromosomes.These puffs represent sites of intense gene transcription (mRNA synthesis) where the chromatin fibers are uncoiled and extended.Polytene chromosomes are giant chromosomes found in the salivary glands of Drosophila larvae and other dipteran insects.Therefore,the correct option is $B$.

List-$I$	List-$II$
$(1)$ Metacentric	$(a)$ Centromere at the terminal end
$(2)$ Sub-metacentric	$(b)$ Centromere close to the end
$(3)$ Acrocentric	$(c)$ Centromere slightly away from the middle
$(4)$ Telocentric	$(d)$ Centromere in the middle

Similar Questions

Chromatin contains:

Where is the $DNA$ found?

Match the following and select the correct option:
List-$I$ List-$II$
$(1)$ Metacentric $(a)$ Centromere at the terminal end
$(2)$ Sub-metacentric $(b)$ Centromere close to the end
$(3)$ Acrocentric $(c)$ Centromere slightly away from the middle
$(4)$ Telocentric $(d)$ Centromere in the middle

The $Feulgen$ reaction is used to stain which of the following?

The shape of the chromosome is determined by

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