For the following questions, select the one best answer. Please mark your answers on the batch card. Show any work on the exam.
All questions have the same value.
The stage of female prophase I in which the chromosomes are transcriptionally active and the meiotic process is arrested until puberty is called A. metaphase II B. metaphase I C. dictyotene D. pachytene E. leptotene 2. C. be a mosaic of trisomy 18 and monosomy 18 cells D. have a normal euploid karyotype in all cells. E. have a trisomy 18 karyotype in all cells. A single Barr body in buccal cells. B. A single Y body observed with quinacrine staining of buccal cells.