> >>He described it using letters to represent traits >>ex: [aa] is an albino trait and [pp] is an patternless trait >> >>His goal was to describ how you'd get an [aapp] gecko, "Albino..."/>

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RE: Punnett Square Question

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Posted by: eminart at Tue Jul 21 14:48:22 2015  [ Report Abuse ] [ Email Message ] [ Show All Posts by eminart ]  
   

>>Hello all i recently read an article that discussed the punnett square statistics in reference to "double het" Leo's
>>
>>He described it using letters to represent traits
>>ex: [aa] is an albino trait and [pp] is an patternless trait
>>
>>His goal was to describ how you'd get an [aapp] gecko, "Albino patternless"
>>
>>This kind of confused me, because i don't know much about the genes of Leo's but i thought they just came in two's, one from each parent. Such as [aa] crossed with [pp] would give you [ap]
>>...Can anyone understnad what's confusing me? Do non-double hets only carry these double gene combos vs using 4 letters to represent the genes of a gecko? I can't think how to describe it to well right now Lol, sorry, but maybe someone can see into my madness and help clear my understnad!
>>Thanks! :D


You're dealing with two traits that are not on the same allele. They are unrelated. Just as if you were crossing a tall person with a blonde headed person. A person is not either tall OR blonde. They can be any combination of the two, just as a gecko can be albino and patternless, or non-albino and patternless, etc. etc. They're not albino OR patternless. Two letters are used to represent each trait (assuming it isn't on the same allele).

I'm not an expert, but that's the general idea.
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