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The first step of the dihybrid cross is to mate the P generation: A PUREBRED (homozygous) plant producing PURPLE and SMOOTH kernels (PPSS) is mated with the PUREBRED (homozygous) plant producing YELLOW and WRINKLED kernels (ppss), as pictured below. 6. Illustrate the dihybrid cross from the parental generation through the F1 and F2 generations. Use a Punnett Square to predict the ratio of genotypes and phenotypes in the F1 generation of this cross. P generation: Purebred purple, smooth corn Purebred yellow, wrinkled corn Parent Genotype: PPSS ppss Possible Gamete(s): or or or or or or Punnett Square F1 offspring: PXI

The first step of the dihybrid cross is to mate the P generation: A PUREBRED (homozygous) plant producing PURPLE and SMOOTH kernels (PPSS) is mated with the PUREBRED (homozygous) plant producing YELLOW and WRINKLED kernels (ppss), as pictured below. 6. Illustrate the dihybrid cross from the parental generation through the F1 and F2 generations. Use a Punnett Square to predict the ratio of genotypes and phenotypes in the F1 generation of this cross. P generation: Purebred purple, smooth corn Purebred yellow, wrinkled corn Parent Genotype: PPSS ppss Possible Gamete(s): or or or or or or Punnett Square F1 offspring: PXI

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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DIHBRID CROSS OF CORN KERNEL COLOR AND SHAPE CHARACTERISTICS (see text FIG. 10.11) The first step of the dihybrid cross is to mate the P generation: A PUREBRED (homozygous) plant producing PURPLE and SMOOTH kernels (PPSS) is mated with the PUREBRED (homozygous) plant producing YELLOW and WRINKLED kernels (ppss), as pictured below. 6. Illustrate the dihybrid cross from the parental generation through the F1 and F2 generations. Use a Punnett Square to predict the ratio of genotypes and phenotypes in the F1 generation of this cross. P generation: Purebred purple, smooth corn Purebred yellow, wrinkled corn Parent Genotype: PPSS ppss Possible Gamete(s): or or or or or or Punnett Square F1 offspring: * Accessibility: Investigate O Focus earch 93%
Transcribed Image Text:DIHBRID CROSS OF CORN KERNEL COLOR AND SHAPE CHARACTERISTICS (see text FIG. 10.11) The first step of the dihybrid cross is to mate the P generation: A PUREBRED (homozygous) plant producing PURPLE and SMOOTH kernels (PPSS) is mated with the PUREBRED (homozygous) plant producing YELLOW and WRINKLED kernels (ppss), as pictured below. 6. Illustrate the dihybrid cross from the parental generation through the F1 and F2 generations. Use a Punnett Square to predict the ratio of genotypes and phenotypes in the F1 generation of this cross. P generation: Purebred purple, smooth corn Purebred yellow, wrinkled corn Parent Genotype: PPSS ppss Possible Gamete(s): or or or or or or Punnett Square F1 offspring: * Accessibility: Investigate O Focus earch 93%
Punnett Square F1 offspring: List all possible genotype(s) and percentages of F2 offspring: List all possible phenotype(s) and percentages of F2 offspring: 7. The F1 generation kernels are pictured below. Do the kernels (offspring) match the phenotype predicted from your Punnett Square above? Explain. 8. To produce the F2 generation, the F1 generation hybrids are crossed. Use the Punnett Square to predict the ratio of genotypes and phenotypes that would result from a cross between the F1 generation hybrids. See Fig 9.8 of your textbook for help.
Transcribed Image Text:Punnett Square F1 offspring: List all possible genotype(s) and percentages of F2 offspring: List all possible phenotype(s) and percentages of F2 offspring: 7. The F1 generation kernels are pictured below. Do the kernels (offspring) match the phenotype predicted from your Punnett Square above? Explain. 8. To produce the F2 generation, the F1 generation hybrids are crossed. Use the Punnett Square to predict the ratio of genotypes and phenotypes that would result from a cross between the F1 generation hybrids. See Fig 9.8 of your textbook for help.
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