Abstract:
:Silver-stained cells from 49 parents with a history of several abortions were compared with cells from 35 parents with normal liveborn children. The modal and mean number of silver-stained NORs (Ag-NORs) observed on D- or G-group chromosomes was similar in both groups and between males and females. Ag-NORs were randomly distributed on all five acrocentric pairs. The distribution and size of Ag-NORs within an individual was not random and was fairly consistent from cell to cell. The mean number of associations per cell was similar in both males and females of the abortion group and was less than the number of associations in controls. The probability of D- or G-group chromosomes being associated was near the expected probability of 0.6 for D-association and 0.4 for G-association. The frequency of association of any chromosome combination did not differ statistically from the expected values, though the number of associations, 15/22, was higher than expected.
journal_name
Hum Genetjournal_title
Human geneticsauthors
Ray M,Pearson Jdoi
10.1007/BF00286905subject
Has Abstractpub_date
1979-04-27 00:00:00pages
201-10issue
2eissn
0340-6717issn
1432-1203journal_volume
48pub_type
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