Good job. This is the last chromosome. Obviously, all the chromosomes are already paired up so this is an extra one. Click where it belongs on the karyotype.

	_______ 1	________ 2	________ 3			________ 4	________ 5
________ 6	________ 7	________ 8	________ 9		________ 10	________ 11	________ 12
________ 13	________ 14	________ 15		________ 16	________ 17	________ 18
	________ 19	________ 20		________ 21	________ 22		________ XX/XY

The Biology Project
University of Arizona
Sunday, August 18, 1996
denicew@u.arizona.edu

http://www.biology.arizona.edu
All contents copyright © 1996. All rights reserved.