نتایج جستجو برای: robertsonian translocation
تعداد نتایج: 47030 فیلتر نتایج به سال:
Chromosome aberrations and spermatogenic disorders in mice with Robertsonian translocation (11; 13).
OBJECTIVE To determine the diagnostic features of Robertsonian (Rob) translocation (11; 13) in mice and the mechanisms underlying the effect on spermatogenesis and reproductive decline. METHODS A Rob translocation (11; 13) mouse model was established by cross-breeding, and confirmed by chromosome analysis. Chromosome aberrations and translocation patterns were identified in mice with Rob tran...
Thirty-six infants were identified by cytogenetic screening at birth as having balanced rearrangements of their autosomes, and 30 of them took part in a longitudinal study of their development, together with four of their affected sibs. With the exception of one child with a de novo reciprocal translocation who died, all children attended normal schools. Congenital malformations and short statu...
In 1866 J Langdon Down made the observation of a subgroup of patients with particular facial features and mental handicap in the outpatient department of the London Hospital 1. In the late 1950’s, it was shown that an extra acrocentric chromosome was present in persons with Down syndrome, resulting in a diploid chromosome number of 47. It is now known that Down syndrome results when either the ...
Recurrent miscarriage (RM) is defined as three or more consecutive pregnancy losses before 24 weeks of gestation. Parental chromosomal abnormalities represent an important etiology of RM. The aim of the present study was to identify the distribution of chromosome abnormalities among Tunisian couples with RM referred to the Department of Cytogenetic at the Pasteur Institute of Tunis (Tunisia) du...
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