Generation times and DNA replication patterns of cells of developing frog embryos☆
[摘要] Themethodofcontinuouslabelingwiththymidine-3HandautoradiographyoftissuesquasheswasusedtoexaminepatternsofDNAsynthesisreflectedinthechromosomesofdevelopingembryosofRanapipiens.Attheneurulaandtailbudstagesthereareregionsoflate-replicatingDNAatoneorbothterminalsegmentsofmostchromosomes.Thispatternwasnotpresentattheblastulaorgastrulastages.AtanystagethedurationofSandG2aresimilarforcellsindifferentpartsofthebody,butthelengthofG1andgenerationtimevaries.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学（综合）
[关键词] [时效性]
