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11. Perform two consecutive crosses similar to those of Mendel for the following individual plants. Plants with round seeds (RR) are crossing with plants with wrinkled seeds (rr). After the first cross, cross the offspring together to generate F, offspring. What are the genotypic and phenotypic ration of F,? Round : wrinkled 3 1 phenotypic ratio: RR: Rr: rr Genotypic ratio: 1: 2: 1

11. Perform two consecutive crosses similar to those of Mendel for the following individual plants. Plants with round seeds (RR) are crossing with plants with wrinkled seeds (rr). After the first cross, cross the offspring together to generate F, offspring. What are the genotypic and phenotypic ration of F,? Round : wrinkled 3 1 phenotypic ratio: RR: Rr: rr Genotypic ratio: 1: 2: 1

Human Anatomy & Physiology (11th Edition)
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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Mendelian Genetics Crosses #### Problem 11: Perform two consecutive genetic crosses similar to Mendel's experiments with the following plants: - **Initial Cross:** - Plants with round seeds (genotype RR) are crossed with plants with wrinkled seeds (genotype rr). - **F1 Generation:** - The resulting offspring from the first cross should all have the genotype Rr, displaying the round seed phenotype, as round is dominant. - **F2 Generation:** - Cross the F1 generation plants (Rr) to produce the F2 offspring. #### Ratios for F2 Generation: - **Phenotypic Ratio (Round : Wrinkled):** - 3 : 1 - This means there will be three plants with round seeds for every one plant with wrinkled seeds. - **Genotypic Ratio (RR : Rr : rr):** - 1 : 2 : 1 - This indicates one plant with genotype RR, two plants with genotype Rr, and one plant with genotype rr. #### Problem 12: Perform two consecutive crosses between the plants with genotypes GGHH and gghh, as performed in Problem 11. In this case, follow the same process to determine the phenotypic and genotypic ratios for the offspring after completing the crosses.
Transcribed Image Text:### Mendelian Genetics Crosses #### Problem 11: Perform two consecutive genetic crosses similar to Mendel's experiments with the following plants: - **Initial Cross:** - Plants with round seeds (genotype RR) are crossed with plants with wrinkled seeds (genotype rr). - **F1 Generation:** - The resulting offspring from the first cross should all have the genotype Rr, displaying the round seed phenotype, as round is dominant. - **F2 Generation:** - Cross the F1 generation plants (Rr) to produce the F2 offspring. #### Ratios for F2 Generation: - **Phenotypic Ratio (Round : Wrinkled):** - 3 : 1 - This means there will be three plants with round seeds for every one plant with wrinkled seeds. - **Genotypic Ratio (RR : Rr : rr):** - 1 : 2 : 1 - This indicates one plant with genotype RR, two plants with genotype Rr, and one plant with genotype rr. #### Problem 12: Perform two consecutive crosses between the plants with genotypes GGHH and gghh, as performed in Problem 11. In this case, follow the same process to determine the phenotypic and genotypic ratios for the offspring after completing the crosses.
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