41. New hormone tests and karyotypes allowed more confident diagnosis in infancy and prediction of future development. 42. The karyotype includes 56 chromosomes and a subtelocentric, with a long and a vestigial arm. 43. Its karyotype is FN = 118. 44. This karyotype is similar to other known karyotypes of members of " Euryoryzomys ". 45. This karyotype is similar to other known karyotypes of members of " Euryoryzomys ". 46. Its karyotype has FN = 66. 47. Adding colchicine to a culture during mitosis is part of the standard procedure for doing karyotype studies. 48. A chromosome analysis performed the following month by Engel revealed that Speck had a normal XY karyotype . 49. This can happen in individuals exhibiting a XY, XXY, or XX SRY-positive karyotype . 50. They are similar to " Onychomys torridus ", but differ in karyotype and size.
