A. You cross a true-breeding sunflower, with yellow flowers and black seeds, with another true-breeding sunflower, with white flowers and green seeds. All of the F1 generation have yellow flowers and green seeds. Create allele symbols and genotypes for these genes and create a representation of this cross, which is consistent with the stated premises. Show your work. B. Upon completing an F1xF1 cross of the yellow flower, green seed sunflowers, you observe the following phenotype classes of offspring in the F2: 250 Yellow flowers and black seeds; 250 white flowers and green seeds; 500 yellow flowers and green seeds. A test cross of the yellow flower, green seed F1 generation generates the following offspring: 500 white flowers and green seeds; 500 yellow flowers and black seeds. Do these observations taken together, of the F1, F2, and test cross offspring, respectively, represent violations of Mendel's first law, Mendel's second law, or both? Explain your answer.
A. You cross a true-breeding sunflower, with yellow flowers and black seeds, with another true-breeding sunflower, with white flowers and green seeds. All of the F1 generation have yellow flowers and green seeds. Create allele symbols and genotypes for these genes and create a representation of this cross, which is consistent with the stated premises. Show your work. B. Upon completing an F1xF1 cross of the yellow flower, green seed sunflowers, you observe the following phenotype classes of offspring in the F2: 250 Yellow flowers and black seeds; 250 white flowers and green seeds; 500 yellow flowers and green seeds. A test cross of the yellow flower, green seed F1 generation generates the following offspring: 500 white flowers and green seeds; 500 yellow flowers and black seeds. Do these observations taken together, of the F1, F2, and test cross offspring, respectively, represent violations of Mendel's first law, Mendel's second law, or both? Explain your answer.
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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A. You cross a true-breeding sunflower, with yellow flowers and black seeds, with another true-breeding sunflower, with white flowers and green seeds. All of the F1 generation have yellow flowers and green seeds.
Create allele symbols and genotypes for these genes and create a representation of this cross, which is consistent with the stated premises. Show your work.
B. Upon completing an F1xF1 cross of the yellow flower, green seed sunflowers, you observe the following phenotype classes of offspring in the F2:
250 Yellow flowers and black seeds; 250 white flowers and green seeds; 500 yellow flowers and green seeds.
A test cross of the yellow flower, green seed F1 generation generates the following offspring: 500 white flowers and green seeds; 500 yellow flowers and black seeds.
Do these observations taken together, of the F1, F2, and test cross offspring, respectively, represent violations of Mendel's first law, Mendel's second law, or both? Explain your answer.
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