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(6) 0 eorge Guinea Pig and Greta Guinea Pig decide to have a taby. George is heterozygous for his long hair, bu Greta has short hair.What are the chances of having a baby guinea pig with short hair? 1 100% 2 75% 3 50% 25%

Question

(6) 0 eorge Guinea Pig and Greta Guinea Pig decide to have a taby. George is heterozygous for his long hair, bu Greta has short hair.What are the chances of having a baby guinea pig with short hair? 1 100% 2 75% 3 50% 25%

(6) 0
eorge Guinea Pig and Greta Guinea Pig decide to have a taby. George is heterozygous for his long hair, bu
Greta has short hair.What are the chances of having a baby guinea pig with short hair?
1
100% 
2
75% 
3
50% 
25%

Solution

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LaylaMaster · Tutor for 5 years

Answer

Here's how to solve this guinea pig genetics problem:<br /><br />1. **Identify the Trait and Alleles:** The trait is hair length. Long hair (L) is dominant over short hair (l).<br /><br />2. **Determine the Genotypes:**<br /> * George is heterozygous for long hair, meaning he has one dominant allele (L) and one recessive allele (l). His genotype is Ll.<br /> * Greta has short hair. Since short hair is recessive, she must have two recessive alleles (ll). Her genotype is ll.<br /><br />3. **Set up a Punnett Square:** A Punnett square helps visualize the possible combinations of alleles from the parents.<br /><br /> ```<br /> L | l<br /> -------<br /> l| Ll | ll<br /> -------<br /> l| Ll | ll<br /> ```<br /><br />4. **Analyze the Results:** The Punnett square shows the following possible genotypes for their offspring:<br /> * Ll (Long hair): 2 out of 4 possibilities (50%)<br /> * ll (Short hair): 2 out of 4 possibilities (50%)<br /><br />**Answer:** The chances of George and Greta having a baby guinea pig with short hair are 50%. So the correct answer is option 3.<br />
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