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The '''phenotype''' is the observable traits or characteristics of an [[organism]], for example [[hair]] color, weight, or the presence or absence of a [[disease]]. Differences in phenotype are caused by differences in genotype, but not all phenotypes necessarily have the same genotype. Organisms that contain a [[dominant allele]] and a [[recessive allele]] for a trait will have the same phenotype as an organism that has two of the same alleles for the dominant trait.

The '''phenotype''', a product of [[genotype]], is the observable traits or characteristics of an [[organism]], for example [[hair]] color, weight, or the presence or absence of a [[disease]], except the [[genes]] themselves.<ref>{{cite book|title=Evolúcia: neobyčajná história jednej vedeckej teórie|author=Edward John Larson|publisher=Slovart|year=2006|Chapter=Doslov (Epilogue)|page=292|isbn=80-8085-164-6|url=http://books.google.com/books?id=0OOVGAAACAAJ&dq=Larson+Evol%C3%BAcia+Neoby%C4%8Dajn%C3%A1+hist%C3%B3ria&hl=en&sa=X&ei=dk88UfKiK8rb4QSTw4GwDg&redir_esc=y|isbn=|quote=..Jeho teória vychádza zo známeho modelu epigenetickej krajiny Conrada H.Waddngtona. (Actual quote is from Epilogue by Vladimír Kováč, professor of Biology who translated the book by E.J.Larson)|language=Slovak}}</ref> Differences in phenotype are caused by differences in genotype, but not all phenotypes necessarily have the same genotype. Organisms that contain a [[dominant allele]] and a [[recessive allele]] for a trait will have the same phenotype as an organism that has two of the same alleles for the dominant trait.

== Sources ==

== References ==

 

== External Links ==

http://www.genome.gov/glossary.cfm?key=phenotype

http://www.genome.gov/glossary.cfm?key=phenotype

[[Category:Genetics]]

[[Category:Genetics]]