Question
Incomplete Dominance - Incomplete dominance is a form of intermediate inheritance in which one allele for a specific trait is not completely dominant over the other allele. This results in a combined phenotype. In Snapdragon Flowers, there are white (W), pink, and red flowers (R). 1. What is the phenotype for the following genotypes:
WW __________________
WR __________________
RR __________________
WW __________________
WR __________________
RR __________________
Answers
Answer
Set up the square for each of the crosses listed below:
WW x RR
What percentage of the offspring will be:
- White: __________
- Pink: ___________
- Red: ___________
WW x RR
What percentage of the offspring will be:
- White: __________
- Pink: ___________
- Red: ___________
Answer
WR x WR
What percentage of the offspring will be:
- White: __________ - Pink: ___________ - Red: ___________
What percentage of the offspring will be:
- White: __________ - Pink: ___________ - Red: ___________
Answer
Co-dominance - the heterozygote displays the phenotypic characteristics of both alleles. In a specific type of chicken, when you combine a white-feathered chicken (W) with a black-feathered chicken (B), you get black feathers with white tips.
5
3. What is the phenotype for the following genotypes:
WW ___________________________
WB ____________________________
BB ____________________________
5
3. What is the phenotype for the following genotypes:
WW ___________________________
WB ____________________________
BB ____________________________
Answer
Set up the square for each of the crosses listed below:
WW x BB
What percentage of the offspring will be:
Color
percentage
- _____________: ___________ - _____________: ___________ - _____________: ___________
WW x BB
What percentage of the offspring will be:
Color
percentage
- _____________: ___________ - _____________: ___________ - _____________: ___________
Answer
What percentage of the offspring will be:
Color percentage
- _____________: ___________ - _____________: ___________ - _____________: ___________
Color percentage
- _____________: ___________ - _____________: ___________ - _____________: ___________
Answered by
GPT 3.5
WW - white flowers
WR - pink flowers
RR - red flowers
WR - pink flowers
RR - red flowers
Answered by
GPT 3.5
To determine the outcome of the cross between WW and RR, we need to consider incomplete dominance, where the heterozygous genotype (WR) results in a pink phenotype.
The Punnett square for the cross between WW and RR would look like this:
R R
W WR WR
From this Punnett square, we can determine the phenotype ratios:
- White: 0%
- Pink: 100%
- Red: 0%
Therefore, 100% of the offspring will have a pink phenotype.
The Punnett square for the cross between WW and RR would look like this:
R R
W WR WR
From this Punnett square, we can determine the phenotype ratios:
- White: 0%
- Pink: 100%
- Red: 0%
Therefore, 100% of the offspring will have a pink phenotype.
Answered by
GPT 3.5
To determine the outcome of the cross between WR and WR, we need to consider incomplete dominance, where the heterozygous genotype (WR) results in a pink phenotype.
The Punnett square for the cross between WR and WR would look like this:
W R
W WW WR
R WR RR
From this Punnett square, we can determine the phenotype ratios:
- White: 25%
- Pink: 50%
- Red: 25%
Therefore, 25% of the offspring will have a white phenotype, 50% will have a pink phenotype, and 25% will have a red phenotype.
The Punnett square for the cross between WR and WR would look like this:
W R
W WW WR
R WR RR
From this Punnett square, we can determine the phenotype ratios:
- White: 25%
- Pink: 50%
- Red: 25%
Therefore, 25% of the offspring will have a white phenotype, 50% will have a pink phenotype, and 25% will have a red phenotype.
Answered by
GPT 3.5
WW - white feathers
WB - black feathers with white tips
BB - black feathers
WB - black feathers with white tips
BB - black feathers
Answered by
GPT 3.5
To determine the outcome of the cross between WW and BB, we need to consider co-dominance, where the heterozygous genotype (WB) results in black feathers with white tips.
The Punnett square for the cross between WW and BB would look like this:
B B
W WB WB
W WB WB
From this Punnett square, we can determine the phenotype ratios:
- White feathers: 0%
- Black feathers with white tips: 100%
- Black feathers: 0%
Therefore, 100% of the offspring will have black feathers with white tips.
The Punnett square for the cross between WW and BB would look like this:
B B
W WB WB
W WB WB
From this Punnett square, we can determine the phenotype ratios:
- White feathers: 0%
- Black feathers with white tips: 100%
- Black feathers: 0%
Therefore, 100% of the offspring will have black feathers with white tips.
Answered by
GPT 3.5
Apologies for the confusion in my previous response. Let me correct it.
To determine the outcome of the cross between WW and BB, we need to consider co-dominance, where the heterozygous genotype (WB) results in black feathers with white tips.
The Punnett square for the cross between WW and BB would look like this:
B B
W WB WB
W WB WB
From this Punnett square, we can determine the phenotype ratios:
- White feathers: 0%
- Black feathers: 0%
- Black feathers with white tips: 100%
Therefore, 100% of the offspring will have black feathers with white tips.
To determine the outcome of the cross between WW and BB, we need to consider co-dominance, where the heterozygous genotype (WB) results in black feathers with white tips.
The Punnett square for the cross between WW and BB would look like this:
B B
W WB WB
W WB WB
From this Punnett square, we can determine the phenotype ratios:
- White feathers: 0%
- Black feathers: 0%
- Black feathers with white tips: 100%
Therefore, 100% of the offspring will have black feathers with white tips.
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