Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 8, Problem 15CTQ
Use a Punnett square to predict the offspring in a cross between a dwarf pea plant (homozygous recessive) and a tall pea plant (heterozygous). What is the
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Chapter 8 Solutions
Concepts of Biology
Ch. 8 - Figure 8.9 In pea plants, round peas (R) are...Ch. 8 - Figure 8.10 In pea plants, purple flowers (P) are...Ch. 8 - Figure 8.16 What ratio of offspring would result...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - The observable traits expressed by an organism are...Ch. 8 - A recessive trait will be observed in individuals...Ch. 8 - What are the types of gametes that can be produced...Ch. 8 - What is the reason for doing a test cross? a. to...Ch. 8 - If black and white true-breeding mice are mated...
Ch. 8 - The ABO blood groups in humans are expressed as...Ch. 8 - In a cross between a homozygous red-eyed female...Ch. 8 - When a population has a gene with four alleles...Ch. 8 - Describe one of the reasons that made the garden...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Can a male be a carrier of red-green color...Ch. 8 - Could an individual with blood type O (genotype...
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- Draw the Punnett square for a test cross between a plant that is heterozygous for two traits and aplant that is homozygous recessive at the same two traits. Write down the genotypic and phenotypic ratios.arrow_forwardIn Japanese four o'clock plants red (R) color is incompletely dominant over white (r) flowers, and the heterogynous condition (Rr) results in plants with pink flowers. Construct a punnett square and give phenotypic and genotype ratios of the offspring for the following cross a red plant and a white plantarrow_forwardIn snapdragon plants, flower color follows an incomplete dominance inheritance pattern. Homozygous dominant plants have red flowers, heterozygotes have pink flowers, and homozygous recessive plants have white flowers. Complete the following cross and identify what percentage of the offspring are each color. Cross- Homozygous dominant by heterozygous plants what % have red flowers what % have pink flowers what % have white flowersarrow_forward
- If a plant is tall, has round seeds and purple flowers, with the genotype of TTRREE is crossed with a plant that is short and has wrinkle seeds and white flowers with the genotype ttrree. What would be the offspring of their F1 generation and F2 generation like? Form a Punnett square and write the phenotypic ratio?arrow_forwardUse a punnett square in fruit flies, red eyes (r) are dominant to pink eyes (r). what is the phenotypic ratio of a cross between a heterozygous male and a pink-eyed femalearrow_forwardIn snapdragons, red flower color is incompletely dominant over white. Cross 2 heterozygous pink flowers. What is the phenotypic ratio?arrow_forward
- A cross is made between a pea plant that has constricted pods (a recessive trait; smooth is dominant) and is heterozygous for seed color (yellow is dominant to green) and a plant that is heterozygous for both pod texture and seed color. Construct a Punnett square that depicts this cross. What are the predicted outcomes of genotypes and phenotypes of the offspring?arrow_forwardThe gene for pea pod colour has two alleles. The dominant allele, G, is associated with the dominant trait of green pea pod colour. The recessive allele, g, is associated with the recessive trait of yellow pea pod colour. Using a Punnett square, show the results of a monohybrid cross where the parent plants are both heterozygous for the trait of pea colour. What is the genotypic ratio of the offspring of this cross?arrow_forwardA dihybrid cross is one in which two traits with two pairs of genes are studied at once. For example, we cross tall plants with round seeds (TTRR) with dwarf plants and wrinkled seeds. What is the expected phenotypic ratio of the F2 generation? O 3:1 9:3:3:1 O1:1 12 :1arrow_forward
- Round seeds are dominant to wrinkled seeds in pea plants. Mendel crossed a purebred recessive plant with a hybrid. What are the phenotypic percentages for the expected offspring?arrow_forwardUse a chi-square test to determine if the observed numbers of progeny fit the number expected with independent assortment.arrow_forwardA cross is made between a pea plant that has constricted pods (arecessive trait; smooth is dominant) and is heterozygous for seedcolor (yellow is dominant to green) and a plant that is heterozygous for both pod texture and seed color. Construct a Punnettsquare that depicts this cross. What are the predicted outcomes ofgenotypes and phenotypes of the offspring?arrow_forward
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