研究表明TAI7044中所含的7对（1-7号）中间偃麦草染色体都有自己可资鉴别的特征性带型。
In TAI7044, diagnostic C-bands were present on 7 pairs of alien chromosomes, designated from 1 to 7. All seven pairs of Ag.
第一部门头后阐述了选题的背景及意义，并综述了海外外藏书楼信做资流网络化建设的评价体解研讨的情形。
The first part presents a background and meaning first, combining with overview the domestic and international library information resources network developments of investigative .
而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。
The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.
而单倍体植株是胡萝卜遗传研究的最好材料，由单倍体植株染色体加倍而成的纯合二倍体，又是品种选育的最好资 源。
The haploid plant is the best material for genetic research of carrot, and homozygous diploid formed by doubling chromosome of the haploid plant is also the best resource of breed seed selection.
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