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Produced by crossbreeding.

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Mendel's Law

... with determining the ratio. Describe the phenotypic and genotypic ratios for the F2 generation if pea plants with restricted yellow pods are crossed with true-breeding inflated green pods in the original cross and then the F1 generation is crossed.

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by curlzz07
Sat Oct 04, 2014 2:28 pm
Forum: Genetics
Topic: Mendel's Law
Replies: 0
Views: 32

Have I understood this punnet square question ?

A plant with genotype SsYy is crossed with a plant with genotype ssYy. S (spherical seeds) and Y (yellow seeds) are dominant over s (wrinkled seeds) and y (green seeds), respectively. The genes for pea colour and shape are on different chromosomes ...

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by girlslovebarbie
Sat Feb 01, 2014 2:55 pm
Forum: Genetics
Topic: Have I understood this punnet square question ?
Replies: 1
Views: 1612

Need an help about Drosophila genetics

... a marker TM6 which gives flies short bristles. You are starting from: 2nd chromosomes UAS-UPRT homozygous ; 3rd chromosomes wild-type homozygous crossed with: 2nd chromosomes wild-type homozygous; 3rd Chromosomes Repo and TM6 Using your knowledge of meiosis, what should you be looking for?

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by golgicik
Wed Oct 30, 2013 8:46 pm
Forum: Genetics
Topic: Need an help about Drosophila genetics
Replies: 5
Views: 2680

better to work the same generation?

... plant with. 2 specific plants chosen for outstanding yields and flavor then chose a plant out of a population of about 10,000 of the f1 and crossed it with another plant chosen for outstanding qualities from another inbred line would it be better for me to take the time to grow out 10,000 ...

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by pmag
Mon Jun 03, 2013 7:06 am
Forum: Genetics
Topic: better to work the same generation?
Replies: 4
Views: 2525

Mendel crossing with 4 characteristics

Hello everyone, I am having some trouble with the following question: 2 organisms are crossed with the following genotypes: AaBbCcdd x aaBbCcDd a) What is the probability for a descendant to be homozygous recessive for all characteristics? b) What is the probability ...

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by tomkoolen
Wed May 22, 2013 9:44 pm
Forum: Genetics
Topic: Mendel crossing with 4 characteristics
Replies: 2
Views: 2390
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