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Balbiani discovered special type of chromosome from the salivary gland of Chironornus larva, which are recognized by the presence of
Balbiani discovered special type of chromosome from the salivary gland of Chironornus larva, which are recognized by the presence of
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The correct option is C Both bands and loops
Polytene chromosomes are over-sized chromosomes which have developed from standard chromosomes and are commonly found in the salivary glands of Drosophila melanogaster. Specialized cells undergo repeated rounds of DNA replication without cell division to increase cell volume, forming a giant polytene chromosome. Polytene chromosomes have characteristic light and dark banding patterns that can be used to identify chromosomal rearrangements and deletions. Dark banding frequently corresponds to inactive chromatin, whereas light banding is usually found at areas with higher transcriptional activity.
Polytene chromosomes are over-sized chromosomes which have developed from standard chromosomes and are commonly found in the salivary glands of Drosophila melanogaster. Specialized cells undergo repeated rounds of DNA replication without cell division to increase cell volume, forming a giant polytene chromosome. Polytene chromosomes have characteristic light and dark banding patterns that can be used to identify chromosomal rearrangements and deletions. Dark banding frequently corresponds to inactive chromatin, whereas light banding is usually found at areas with higher transcriptional activity.
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