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A Clone Is Not a Copy
©2002 Hunter Cole, Ph.D.
|Born December 22, 2001, cc is the world's first cloned cat. The kitten's name, cc,
is the old typist's abbreviation for carbon copy. Differences in gene expression
during development resulted in the pattern on the fur of the cloned cat to be different
from the mother. Cloned animals will have unique aspects to their personality and
sometimes even in their appearance. Despite being a clone, cc is not a copy.
Images of chromosomes are in the lower left and right. A chromosome is a grouping of coiled strands of DNA, containing many genes. The background and upper right displays the image of a chicken embryo. In the center are photographs of cc and the cat from which she was cloned. The cat can be viewed from a social perspective as her mother or from a biological perspective as her twin sister.
Dr. Prakash Hande at the Center for Radiological Research at Columbia University generously provided the image of stained chromosomes. The image of a chicken embryo was generously provided by Biotechniques: The Journal of Laboratory Technology for Bioresearch, Eaton Publishing and Drs. Atkins, Wang and Burke at the University of Victoria, BC, Canada.
Copyright © 2002 Hunter Cole, Ph.D.