pleiotropic

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plei·o·trop·ic

(plī'ō-trop'ik),
Denoting, or characterized by, pleiotropy.
Synonym(s): polyphenic

plei·o·trop·ic

(plī-ō-trō'pik)
Denoting, or characterized by, pleiotropy.
References in periodicals archive ?
In this paper, we analyze longevity data derived from lab-reared Bullacris membracioides to determine whether the uninflated male displays an extended lifespan in response to the polyphenic condition.
Description of the larval sensitive period for polyphenic wing pattern induction in the tropical butterfly Bicyclus anynana (Satyrinae).
However, the existence of seasonal polyphenism does not eliminate the possibility of selection on polyphenic traits.
Here I examine selection on a seasonally polyphenic trait.
1) for selection analysis: (1) functional significance of the traits; (2) phenotypic and genetic correlations among wing traits; and (3) seasonal polyphenic responses of the traits.
Laboratory experiments in which full-sib families were split and raised under long or short photoperiods showed that melanin on the VHW (trait pv), the basal DHW (hb), and the marginal DFW (fm2) exhibited the strongest polyphenic changes (Kingsolver and Wiernasz 1991b).
occidentalis populations are greater in the spring than in the summer, as a result of the adaptive polyphenic response of these traits (Kingsolver and Wiernasz 1991a).
Laboratory experiments in which fullsib families from Colorado were split and raised under long or short photoperiods showed that melanin on the ventral hindwings (VHW), the basal dorsal hindwings (DHW), and the marginal dorsal forewings (DFW) exhibited the strongest polyphenic changes (Kingsolver and Wiernasz 1991a).
The strong polyphenic responses of melanin in these wing regions, particularly in the posterior VHW and basal DHW, are consistent with the hypothesis that polyphenism is adaptive for thermoregulation in seasonally varying thermal environments in this species (Kingsolver 1987, 1995; Kingsolver and Wiernasz 1991a).
The goal here was to determine some of the performance and fitness consequences of this polyphenic response in melanin pattern in the wild.
occidentalis populations and pierid species indicate that for low-altitude populations, larval photoperiod is the primary determinant of polyphenic response, although larval temperature may also affect the response (Watt 1969; Shapiro 1976; Hoffmann 1978).
To verify the polyphenic response in wing pattern in the adult butterflies resulting from these rearing treatments, we measured six different wing traits (for definitions, see fig.