Genotype versus Phenotype

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	Genotype versus Phenotype

Lubaska

5-15-2007 6:34 PM

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tags:

genes

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5-15-2007 8:54 PM

sohil

I'm surprised they didn't cover Gene Expression. A certain Genotype doesn't guarantee the associated phenotype, the gene has to fully express itself.

Is this really Berkeley's Intro-Evolution course? We covered more in a couple of weeks than the entire stuff on that website!

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/8fc1527e-11ae-45e2-8160-99b6730c19e0/7F41D407-2DAF-4AC8-97D9-D6C9294AD6EC/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml" href="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml" style="font-size: 11px;">evolution.berkeley.edu</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml"><P>An organism’s <A href="javascript:Glossary('Genotype',1)">genotype</A> is the set of genes that it carries. An organism’s <A href="javascript:Glossary('Phenotype',1)">phenotype</A> is all of its observable characteristics—which are influenced both by its genotype and by the environment. So in defining <A href="javascript:Glossary('Evolution',1)">evolution</A><A href="javascript:Glossary('Evolution',1)"></A>, we are really concerned with changes in the genotypes that make up a <A href="javascript:Glossary('Population',1)">population</A> from generation to generation. However, since an organism’s genotype generally affects its phenotype, the phenotypes that make up the population are also likely to change.</A><//A> </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml"><P>For example, differences in the genotypes can produce different phenotypes. In these house cats, the genes for ear form are different, causing one of these cats to have normal ears and the other to have curled ears.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml"><P><IMG height="177" alt="Cat with straight ears" hspace="5" src="http://evolution.berkeley.edu/evosite/evo101/images/cat_ears.jpg" width="145" vspace="5" border="1" /> <IMG height="177" alt="Cat with curled ears" hspace="5" src="http://evolution.berkeley.edu/evosite/evo101/images/cat_curled_ears.jpg" width="145" vspace="5" border="1" /></P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml"><P align="left">A change in the environment also can affect the phenotype. Although we often think of flamingos as being pink, pinkness is not encoded into their genotype. The food they eat makes their phenotype white or pink.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://evolution.berkeley.edu/evosite/evo101/IIIA1Genotypevsphenotype.shtml"><P><IMG height="200" hspace="5" src="http://evolution.berkeley.edu/evosite/evo101/images/pinkflamingo.jpg" width="154" vspace="0" border="1" /><IMG height="200" hspace="5" src="http://evolution.berkeley.edu/evosite/evo101/images/whiteflam.jpg" width="155" vspace="0" border="1" /></P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/7F41D407-2DAF-4AC8-97D9-D6C9294AD6EC/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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