Burnie, David. Life. New York: Dorling Kindersley, 1994

Children Resemble Their Parents. Online Available: February 26, 2004 http://www.dnaftb.org/dnaftb/1/concept/index.html

Cunha, Rodrigo Bastos. “Re: pictures.” Rodrigo gave permission to us to
use a picture of the dog, Missy, who was the dog in the Missyplicity
Project. January 31, 2004.

Denniston, Richard. “Clones and the Future of Cloning Cloning for the Non-Technical.” Lazaron.  Online Available: February 26, 2004 http://www.lazaron.com/lazaronllc/clonandfutof.html

Double Helix. Updated: January 21, 2004. Online Available: February 26, 2004  http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/D/DoubleHelix.html

Double Helix Science Club website. Updated: January 14, 2004. CSIRO. Online Available: February 26, 2004  http://www.csiro.au/helix/index.html

Emig, Lau, Rose, Stone. Human Cloning. Updated: April 8, 1998. University of Virginia. Online Available: February 26, 2004  http://www.cs.virginia.edu/~jones/tmp352/projects98/group1/home.html.

Genetics Savings&Clone, Inc. "Missyplicity Project." The Dog Guide. GoingApe.com and Farm Goods for Kids. Online Available: February 26, 2004  http://www.thedogguide.com/news_missyplicity.htm

Hawke, Lawrence D. "Cat is Cloned.. Cat is Cloned." Show Cats Online. Updated: February 14, 2002. Online Available: February 26, 2004   http://www.showcatsonline.com/x/cloned_kitten.htm

John. John's Cloning Page. Online Available: February 26, 2004  http://home.hawaii.rr.com/johns/index.html  

Kids Discover. "Double DNA." DNA  October 1999: 3, 6-7

Lawrence, Melissa Withers. “Image.” Melissa gave permission to us to use a picture of nuclear transfer. February 19, 2004.

Limson, Melvin and others. "Cloning in Focus." Genetic Science Learning Center. University of Utah. Online Available: February 26, 2004  http://gslc.genetics.utah.edu/units/cloning/cloningrisks/

"Operation Copycat." The Cat Gallery. Online Available: February 26, 2004  http://www.thecatgallery.com/cloned_kitten.html

Ringold, Kelvin. “Re: Re: Re: (no subject specified).” Kelvin gave permission to us to use a picture of genes. February 26, 2004.

Sheppard, Mary and others. “Scientists clone human embryo.” CBC News. Updated: February 12, 2004. Online Available: February 26, 2004  http://www.cbc.ca/stories/2004/02/12/clone040212

Sheppard, Mary and others. "Sect claims to have cloned human baby." CBC News. Updated: December 28, 2002. Online Available: February 26, 2004  http://www.cbc.ca/storyview/CBC/2002/12/27/cloned_girl021227

"What about failed cloning experiments?" Activities Exchange. Updated: January 30, 2004. The National Heath Museum. Online Available: February 26, 2004  http://www.accessexcellence.org/AE/AEPC/BE02/gentest/fail15.html