The 47, XYY karyotype, which describes the number and appearance of the chromosomes in a cell, is associated with neurodevelopmental impairments, including symptoms of autism spectrum disorder (ASD).

Karyotype studies were performed in 18 populations of eight Helichrysum species in Iran. Those species showed chromosome numbers of 2n = 2x = 14; 2n = 4x = 24, 28 and 32; 2n = 6x = 36; 2n = 7x = 42; ...

Well-spread meiotic pachytene bivalents were obtained by using the prolonged hypotonic treatment combined with high chloroform Carnory' fixative solution from cells of the testes of domestic pigs ...

Letter Published: 10 June 1961 Non-disjunction of the Sex-chromosomes in the Male of Drosophila melanogaster P. J. KELSALL Nature 190, 1035–1036 (1961) Cite this article ...

Results Differences in karyotypes and DNA content between diploid and tetraploid samples The results from conventional cytogenetics showed well-defined chromocenters in interphasic nuclei, which ...

“In chromosome tests given amid the International Boxing Association’s 2022 and 2023 world championships, the boxer’s DNA showed XY markers with ‘male’ karyotype,” 3 Wire Sports reported.