Multiple choice

Which of the following mutations can be observed during heterozygous condition of polytene chromosomes?

  1. Chromosomal inversion

  2. Chromosomal translocation

  3. Interstitial deletion

  4. Gene duplication
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A Correct answer
Explanation

Chromosomal inversions can be seen in heterozygous condition of polytene chromosomes. Small inversions in most species remain undetected. Polytene chromosomes are exploited for observing inversions.

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