【摘要】 P因子是果蝇中一种重要的转座子。P因子的研究与应用使以果蝇为模式生物的研究迈上了一个新台阶。P因子的起源、转座及调控研究都揭示了其行为的复杂性。P因子作为果蝇遗传分析的有力工具，更是受到了人们的重视。更多还原

【Abstract】 P element is an important transposon in Drosophila melonogaster. Its studies and applications make great differences in the researches using D. melanogaster as a model organism. Studies of the origin, structure and function of P element indicates its complex behaviors. As a powerful tool for genetic analysis in D. melanogasten P element researches and applications are getting more attention.更多还原