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. 2000 Jan 10;148(1):101–114. doi: 10.1083/jcb.148.1.101

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© 2000 The Rockefeller University Press

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).

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Requirements of kettin for acquiring flying capability. Results of flight test of wild-type (Canton S) flies with or without wings, and ket¹⁴/+ flies with or without Dp(3;Y)B21, which includes the kettin locus. An apparatus used for flight test is schematically shown in the left margin. Flies were dropped through a funnel into a column 32 cm in height and coated with liquid paraffin. Virtually all flies capable of flying are expected to stick to the wall. Note that ∼70% of ket¹⁴/+ flies dropped to the bottom while 80% of those with Dp(3;Y)B21 stuck to the wall, indicating kettin to be essential for acquiring flying capability.