真兽亚纲和有袋类动物X染色体的相对DNA含量。
The relative DNA contents of the eutherian and marsupial X chromosomes.
作者信息
Hayman D L, Ashworth L K, Carrano A V
出版信息
Cytogenet Cell Genet. 1982;34(4):265-70. doi: 10.1159/000131816.
PMID:7160229
Abstract
The relative DNA contents of individual chromosomes of Sminthopsis crassicaudata (Marsupialia) have been measured by DNA cytophotometry. Measurements of the relative nuclear DNA contents of man and Sminthopsis have been made and show that the DNA content of the marsupial X chromosome is substantially less than that of the X chromosome of man. The implications of this observation with respect to the argument of the conserved X chromosome in mammals are presented.
摘要
通过DNA细胞光度测定法测量了肥尾袋鼬（有袋目）个体染色体的相对DNA含量。已对人类和肥尾袋鼬的相对核DNA含量进行了测量，结果表明，有袋类动物X染色体的DNA含量明显低于人类X染色体的DNA含量。本文阐述了这一观察结果对于哺乳动物中保守X染色体论点的意义。
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