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The Influence of the Environment on the Size of Expected Classes

Morgan, T. H. and Colby Tice, Sabra (1914) The Influence of the Environment on the Size of Expected Classes. Biological Bulletin, 26 (4). pp. 213-220. ISSN 0006-3185.

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In crosses in which rudimentary wings are involved, it has been apparent, since this race was first bred, that the classes containing rudimentary wings often run far behind expectation. The experiments made clear that the character rudimentary wings is a Mendelian recessive and is sex-linked. The deficiencies that appeared were assigned to viability of these flies. We have found meanwhile for other stocks that by breeding pairs of flies in large bottles, with an abundance of food, kept in good condition, there was a very marked increase in number of those classes that are deficient in number if many flies are bred in small bottles, or even in large bottles if so many parents are used that crowding of the larvae takes place. It was determined, therefore, to repeat the experiments with rudimentary wings under the most favorable conditions that our experience had made known to us. In order to avoid the possible criticism that the stock might have changed, a control culture en masse was again made in which crowding took place.

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Additional Information:© 1914 Marine Biological Laboratory.
Issue or Number:4
Record Number:CaltechAUTHORS:20150811-093811852
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Official Citation:The Influence of the Environment on the Size of Expected Classes Author(s): T. H. Morgan and Sabra Colby Tice Source: Biological Bulletin, Vol. 26, No. 4 (Apr., 1914), pp. 213-220 Published by: Marine Biological Laboratory Stable URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59383
Deposited By: George Porter
Deposited On:11 Aug 2015 20:00
Last Modified:03 Oct 2019 08:46

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