Tomato Plants In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants with red and round fruit (FFRR) were crossed to pure breeding plants with yellow and oval fruit (ffrr). The red and round F1 progeny were then testcrossed to plants that were homozygous recessive for both genes (ffrr) with the following results: Phenotypes Number of Offspring Red and round 2 255 Red and oval 290 Yellow and round 310 Yellow and oval 2 145 Determine the recombination frequency between the genes for fruit colour and fruit shape using the following formula (in picture). Show your work. Record your answer as a whole number percentage.

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Chapter20: Chromosomes And Human Genetics
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Problem 5SQ: A chromosomes structure can be altered by _______. a. deletions b. duplications c. translocations d....
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Tomato Plants
In tomato plants, round fruit (R) is dominant to oval fruit (r). Pure breeding plants with red and round fruit (FFRR) were crossed to pure breeding plants with yellow and oval fruit (ffrr).

The red and round F1 progeny were then testcrossed to plants that were homozygous recessive for both genes (ffrr) with the following results:

Phenotypes Number of Offspring
Red and round 2 255
Red and oval 290
Yellow and round 310
Yellow and oval 2 145

Determine the recombination frequency between the genes for fruit colour and fruit shape using the following formula (in picture).

Show your work. Record your answer as a whole number percentage.

 

Number of Recombinants
Recombination Frequency
x 100%
%3D
Total Progeny
Transcribed Image Text:Number of Recombinants Recombination Frequency x 100% %3D Total Progeny
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