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Phenotypic value

phenotypic value

In quantitative genetics, the metrical quantity of some trait associated with a particular phenotype.


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Re: Mitochondrial DNA

There are genetic diseases caused by defects carried on the mitochondrial chromosome that can have clear phenotypic consequences. http://www.umdf.org/site/c.8qKOJ0MvF7LUG/b.7934627/k.3711/What_is_Mitochondrial_Disease.htm

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by jonmoulton
Mon Sep 08, 2014 5:23 pm
 
Forum: Genetics
Topic: Mitochondrial DNA
Replies: 2
Views: 148

Mendel's law

... could cross fertilise so you might not be observing a pure F1 generation e.g. an F1 could cross with the parent plant which could change the phenotypic ratios viewed in the next generation of plants Of course that might not be what the question wants at all..

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by laurak120
Thu Mar 06, 2014 3:47 pm
 
Forum: Genetics
Topic: Mendel's law
Replies: 2
Views: 2876

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... that black Africans cannot be pigeonholed into some artificially contrived "Negroid" archetype given their tremendous variability in phenotypic traits. So there is no "black brain size." You'd have to conduct a comprehensive study comprising the multitudinous African ethnic ...

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by Seth90210
Sat Oct 26, 2013 7:38 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263503

I need help with this Bio genetics problem. X-linked traits?

... (Include the genders) b) A tortoiseshell female is bred to a yellow male. Write out the cross to show the genotypes. What are the phenotypes and phenotypic ratios of the kittens? (Include the genders)

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by MellowFellow231
Sun Oct 13, 2013 2:26 am
 
Forum: Genetics
Topic: I need help with this Bio genetics problem. X-linked traits?
Replies: 1
Views: 1248

I need help with Punnett Square

... 1.025 Female: BW;E 1232 0.1219 1.000 Male: BW;E 1241 0.1228 1.007 Total 10103 I did until here but, next questions are tough .... What was the phenotypic ratio for the offspring resulting from this testcross? Based on this phenotypic ratio, determine whether the F1 wild-type female was double ...

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by Yokie83
Sun Sep 29, 2013 9:21 pm
 
Forum: Genetics
Topic: I need help with Punnett Square
Replies: 1
Views: 2994
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