AUTOSOMAL AND MATERNAL EFFECTS ON PUPATION BEHAVIOR IN DROSOPHILA-MELANOGASTER
AUTOSOMAL AND MATERNAL EFFECTS ON PUPATION BEHAVIOR IN DROSOPHILA-MELANOGASTER
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DOI：
10.1007/bf01067077
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发表时间：
1988-01-01
影响因子：
2.6
通讯作者：
SOKOLOWSKI, MB
中科院分区：
文献类型：
--
作者：
BAUER, SJ;SOKOLOWSKI, MB
This study demonstrates the importance of using a complete set of 16 reciprocal crosses (F1, backcrosses, and F2) to thoroughly investigate both genetic and nongenetic influences on patterns of inheritance of larval pupation behavior in Drosophila melanogaster. Larvae derived from natural populations show significant variation in pupal height, defined as the distance a larva pupates above the feeding substrate. Differences in the distance a larva pupates fruit in nature is known to affect the fitness of Drosophila populations. In this study the heredity of pupal height is analyzed by performing crosses between high- and low-pupating strains. We found that the inheritance of pupal height fit a classical additive polygenic model of inheritance, with intermediate F1 pupal heights and greater variances in the F2 generation. In addition, a significant maternal effect was also found be analyzing the reciprocal backcrosses. Progeny with low-pupating mothers had lower pupation heights than those with low-pupating fathers. Similarly, progeny with high-pupating mothers teneded to have higher pupal heights than those with high-pupating fathers. This maternal effect was not attributable to strain differences in permanent cytoplasmic factors, sex chromosomes, or developmental time. Finally, we speculate upon the enviromental conditions under which a transient maternal effect on pupation behavior would be expected to evolve in natural populations.
