Get the definition of the next word: Genetics . Include at least 2 sources.

You can look out in the next links:

http://www.medterms.com/script/main/art.asp?articlekey=15390

http://www.biology-online.org/dictionary/Genetic

http://dictionary.reference.com/browse/genetics

http://www.merriam-webster.com/medical/genetics

http://www.thefreedictionary.com/genetics