The next two questions go together. Again with the llamas that display an extraordinary range of fur colors - individuals are either blue, red, or green. But in this isolated population the epistatic relationships between the A and B loci are different. You mate a homozygous red-furred llama (Parent #1) with a homozygous green-furred llama (Parent #2), and all of the offspring are red. You interbreed these red F1s, and the resulting F2 generation consists of 93 red llamas, 27 blue llamas, and 9 green llamas. Assign the genotypes to a modified 9:3:3:1 ratio. red: blue: green What type of epistasis is acting?
The next two questions go together. Again with the llamas that display an extraordinary range of fur colors - individuals are either blue, red, or green. But in this isolated population the epistatic relationships between the A and B loci are different. You mate a homozygous red-furred llama (Parent #1) with a homozygous green-furred llama (Parent #2), and all of the offspring are red. You interbreed these red F1s, and the resulting F2 generation consists of 93 red llamas, 27 blue llamas, and 9 green llamas. Assign the genotypes to a modified 9:3:3:1 ratio. red: blue: green What type of epistasis is acting?
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![The next two questions go together. Again with the llamas that display an extraordinary range of fur colors – individuals are either blue, red, or green. But in this isolated population the epistatic relationships between the A and B loci are different. You mate a homozygous red-furred llama (Parent #1) with a homozygous green-furred llama (Parent #2), and all of the offspring are red. You interbreed these red F1s, and the resulting F2 generation consists of 93 red llamas, 27 blue llamas, and 9 green llamas.
Assign the genotypes to a modified 9:3:3:1 ratio.
[ Red Box for Input ] red : [ Gray Box for Input ] blue : [ White Box for Input ] green
What type of epistasis is acting? [ Input Box ]
Explanation of Concepts:
1. **Genotypes and Ratios:** In this genetic scenario involving llamas, the progeny ratios (9:3:3:1) are investigated to assign specific genotypes for fur color, and a focus is on the underlying epistatic interactions.
2. **Epistasis Explanation:** Epistasis is a form of genetic interaction where one gene can modify or completely override the expression of another gene, thereby affecting certain traits like fur color. The specific type of epistasis that influences these ratios and genotypes needs to be identified.
Educational Objective:
- Understand how to assign genotypes based on observed phenotypic ratios.
- Identify and explain the type of epistasis influencing a particular genetic cross.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F54827682-bc2e-453e-8315-80bfd8615b3c%2F7413af42-0c04-4a09-b7ca-578f077bdcc7%2F3x3gmc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The next two questions go together. Again with the llamas that display an extraordinary range of fur colors – individuals are either blue, red, or green. But in this isolated population the epistatic relationships between the A and B loci are different. You mate a homozygous red-furred llama (Parent #1) with a homozygous green-furred llama (Parent #2), and all of the offspring are red. You interbreed these red F1s, and the resulting F2 generation consists of 93 red llamas, 27 blue llamas, and 9 green llamas.
Assign the genotypes to a modified 9:3:3:1 ratio.
[ Red Box for Input ] red : [ Gray Box for Input ] blue : [ White Box for Input ] green
What type of epistasis is acting? [ Input Box ]
Explanation of Concepts:
1. **Genotypes and Ratios:** In this genetic scenario involving llamas, the progeny ratios (9:3:3:1) are investigated to assign specific genotypes for fur color, and a focus is on the underlying epistatic interactions.
2. **Epistasis Explanation:** Epistasis is a form of genetic interaction where one gene can modify or completely override the expression of another gene, thereby affecting certain traits like fur color. The specific type of epistasis that influences these ratios and genotypes needs to be identified.
Educational Objective:
- Understand how to assign genotypes based on observed phenotypic ratios.
- Identify and explain the type of epistasis influencing a particular genetic cross.
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