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Titolo:
NORMS OF REACTION AND DIVERSIFYING SELECTION
Autore:
WALLACE B;
Indirizzi:
VIRGINIA POLYTECH INST & STATE UNIV,DEPT BIOL BLACKSBURG VA 24061
Titolo Testata:
Genetica
fascicolo: 2, volume: 92, anno: 1994,
pagine: 139 - 146
SICI:
0016-6707(1994)92:2<139:NORADS>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
DROSOPHILA-MELANOGASTER;
Keywords:
NORMS OF REACTION; DIVERSIFYING SELECTION; DROSOPHILA MELANOGASTER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
B. Wallace, "NORMS OF REACTION AND DIVERSIFYING SELECTION", Genetica, 92(2), 1994, pp. 139-146

Abstract

The numbers of progeny produced by comparable numbers of female Drosophila melanogaster of 26 geographic strains on nine different culture media are examined in the context of norms of reaction. Having emphasized that diversifying selection is seldom discussed simultaneously with its seemingly related topic, norms of reaction, I present the following argument: diversifying selection has generally been viewed as involving sub-populations inhabiting separate localities and subject to different patterns of selection, norms of reaction as variation whose weighted average determines the relative fitnesses of different genotypes within individual sub-populations. Should environmental challenges frequently involve life or death (including sterility) outcomes, norms of reaction involving components of fitness engender diversifying selection within local populations (demes).

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Documento generato il 09/08/20 alle ore 23:14:20