Question
Download Solution PDFChromosomes found in the salivary glands of Drosophila are:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is giant chromosome polytene.Key Points
- The chromosomes found in the salivary glands of Drosophila are giant chromosome polytene.
- These chromosomes are large and have thousands of DNA strands.
- They are produced when DNA replication occurs repeatedly without cell division, resulting in many sister chromatids that stay fused together.
- Polytene chromosomes are found in the salivary glands of many dipteran flies, including Drosophila, Chironomus, and Rhynchosciara.
- They are also found in other groups of arthropods, protozoans, and plants.
- Polytene chromosomes are used to study the function of genes in transcription.
- They are also used to map chromosomes, identify small chromosome mutations, and in taxonomic identification
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