雌雄蓖麻蚕减数分裂染色体的比较研究
Comparative studies on meiotic chromosomes of wild silkworm Philosamia cynthia ricini.
常平安1,3:刘运强3:易发平2,3:宋方洲2,3
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作者单位:1.重庆邮电学院生物信息学院 重庆 400065; 2.重庆医科大学分子生物学教研室,重庆 400016;3.西南农业大学农业部蚕桑学重点实验室 重庆 400716
中文关键词:蓖麻蚕, 减数分裂, 染色体, 进化
英文关键词:Philosamia cynthia ricini; meiosis; chromosome; evolution
中文摘要:以蓖麻蚕Philosamia cynthia ricini Boisduval为材料,全面比较了雌雄蓖麻蚕减数分裂前期I染色体的行为变化,从细胞学角度证明了雌蚕减数分裂染色体完全连锁,而雄蚕发生连锁交换;详细观察了雌蚕减数分裂I双线期过程中性染色体的动态变化,发现其存在着自身配对的过
英文摘要:Chromosomal morphological character and behavior during meiotic prophage I of male Philosamia cynthia ricini Boisduval were compared with that of female, the results showed that homologous chromosomes during meiosis of female were completely linked