نتایج جستجو برای: fish cytogenetics
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Characidae is one of the predominant fish groups in the Neotropical region with approximately 30 highly diversified subfamilies, probably not representing a monophyletic group. Three Characidae species from the São Francisco River basin (Três Marias, MG, Brazil) were analyzed: Hasemania nana with 2n=50 chromosomes (8m+42sm), Orthospinus franciscencis with 2n=50 chromosomes (22m+20sm+2st+6a) and...
Fluorescence in situ hybridization (FISH) is a powerful tool for detection of numerical and structural chromosomal aberrations. We have compared conventional banding techniques and FISH for the detection of monosomy 7 (-7) and trisomy 8 (+8) in 89 patients with myeloid malignancies. Of these patients, 21 had -7, 30 had +8, four had both, and 34 had no aberrations or aberrations other than -7 or...
Fetal mosaicism for chromosomal rearrangements remains a challenge to diagnose, even in the era of whole-genome sequencing. We present here case fetal rearrangement explored amniocytes and muscle, consisting major cell population (95%) with partial monosomy 4q minor (5%) additional material replacing 4qter deleted segment. Molecular techniques (MLPA, array-CGH) failed assess origin this materia...
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