Laboratory and natural heritabilities of male courtship song characters in Drosophila montana and D. littoralis.

Abstract excerpt

We estimated heritabilities for several male courtship song characters in two Drosophila species using father-son regression under conditions where both fathers and sons had been raised in the laboratory. In D. montana the heritabilities of song characters were rather high (-0.23 to 0.80) and in most cases significant. In D. littoralis the heritabilities of song characters were generally lower (-0.33 to 0.18),...

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