Today, most karyotypes are stained with Giemsa dye, which offers better resolution of individual bands, produces a more stable preparation, and can be analyzed with ordinary bright-field microscopy.
In a recent series of 271 fetuses with apparently unbalanced karyotypes, 30.3% (including 43.2% of cases with marker or ring chromosomes) had normal array results, suggesting either variation ...
Although the human sex ratio at conception, i.e. the primary sex ratio, is not readily amenable to investigation, data on the karyotypes of spontaneous and induced abortions indicate that early in ...
Cases of PCL are usually associated with complex karyotypes and lack of CD56 expression. PCL cases are frequently associated with 14q32 translocations, the most common being CCND1(11q13).