Question

karyotyping activity
patient bs karyotype

1. interpreting the karyotype: what notation would you use to characterize patient bs karyotype?

47, xy, +18
47, xy, +21
47, xxy
46, xx

Explanation:

Karyotyping shows the number and appearance of chromosomes in a cell. A normal human has 46 chromosomes (23 pairs). In this case, the notation starts with the total number of chromosomes. Since the patient is male (XY), and there is an extra chromosome. By counting the chromosomes in the karyotype image, we can see an extra chromosome 21. The notation 47, XY, +21 indicates a male with 47 chromosomes due to an extra chromosome 21.

Answer:

47, XY, +21