MadSci Network: Genetics
Query:

Re: Explain the Punett Square

Date: Thu Dec 17 14:35:38 1998
Posted By: Andreas Matern, MadSci Admin
Area of science: Genetics
ID: 913856458.Ge
Message:

Hi!

There are excellent references on the Web re: Punnett Squares, including:

The MIT Biology Hypertextbook

The Biology Project at Arizona

http://home.naxs.com/bechafin/vpunnet.htm

http://pc65.frontier.osrhe.edu/HS/SCIENCE/bgene.htm

http://www2.northstar.k12.ak.us/schools/wvh2/Genetics/Punnet.html

http://www.wmich.edu/bios150/punnett.html

http://www.pwd.net/holly/ho00006.htm

If you still have questions after looking at these references, please let me know!

BTW, traits are dominant if you see their phenotype in the heterozygote. For example:

If I cross a pure breeding green pea with a pure breeding yellow pea and all of the offspring are green, then green is dominant and yellow is recessive.

Please feel free to e-mail me if you have any other questions, or if these on-line resources don't give you the information you need

Sincerely,

Andreas Matern


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