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Phenotype ratio

Definition

noun

(genetics) The ratio of the offspring determined through their phenotype as predicted from a test cross


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Re: I need help with Punnett Square

... fly been double homozygous the wild type most likely would have had a ratio of around 3:1 for the offspring. No. All of the offspring would have ... wild type = BbEe Next: female wild type F1: BbEe x bbee (BW,E phenotype) male You get: BbEe, bbEe, Bbee, bbee in 1:1:1:1 ratio you have ...

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by Cat
Sat Oct 05, 2013 1:11 pm
 
Forum: Genetics
Topic: I need help with Punnett Square
Replies: 1
Views: 2993

I need help with Punnett Square

... is here Results of Cross #1 Parents (Female: BW) x (Male: E) Offspring Phenotype Number Proportion Ratio Female: + 4982 0.4980 1.000 Male: + 5023 0.5020 1.008 Total 10005 then I Designed a male ...

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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: 2993

Re: Genetics problems

... they are homozygous (thus all progeny of self-breeding has the same phenotype, that's not possible for heterozygotes). Since F1 is tall red, ... tall and red alleles should be dominant. Now you have to determine the ratio of F2 and compare with numbers from submission.

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by JackBean
Fri Jan 18, 2013 9:09 am
 
Forum: Genetics
Topic: Genetics problems
Replies: 3
Views: 3967

Genetics problems

... for pod shape and homozygous recessive for plant size: a. What is the phenotype of this plant? b. If this plant was crossed to a dihybrid (heterozygote), what would be the phenotypic ratio of pod shape among the progeny? c. What would be the phenotypic ratio of plant ...

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by jamesandrew
Fri Jan 18, 2013 7:20 am
 
Forum: Genetics
Topic: Genetics problems
Replies: 3
Views: 3967

genotypic & phenotypic ratios?

if it's only re, than there is no ratio, all the offspring is uniform (i.e. 100% is re with certain phenotype)

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by JackBean
Fri Dec 14, 2012 2:21 pm
 
Forum: Genetics
Topic: genotypic & phenotypic ratios?
Replies: 2
Views: 2365
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