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.
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.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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:
| 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.
Transcribed Image Text:Number of Recombinants
Recombination Frequency
x 100%
Total Progeny
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