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The Genetic Analysis of Puffing in Polytene Chromosomes of Drosophila

M. Ashburner
Proceedings of the Royal Society of London. Series B, Biological Sciences
Vol. 176, No. 1044, A Discussion on Gene Action and its Control (Dec. 1, 1970), pp. 319-327
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/75927
Page Count: 13
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The Genetic Analysis of Puffing in Polytene Chromosomes of Drosophila
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Abstract

The characteristics of several mutants of Drosophila melanogaster and Drosophila simulans lacking particular salivary gland chromosome puffs are described. On the basis of their observed behaviour in heterozygotes these puff mutants can be classified into puff structural gene and puff regulating gene mutants. Other types of mutation affecting the larval and prepupal puffing cycle include lethals, mutants controlling puff size, and chromosome aberrations which divide a puff into two separate puffs.

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