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In a genetic cross, if the phenotypic ratio of the offspring is 9:3:3:1, what ty
In a genetic cross, if the phenotypic ratio of the offspring is 9:3:3:1, what type of cross was performed?
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In a genetic cross, if the phenotypic ratio of the offspring is 9:3:3:1, what type of cross was performed?
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A phenotypic ratio of 9:3:3:1 indicates a dihybrid cross.
Questions & Step-by-step Solutions
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Q: In a genetic cross, if the phenotypic ratio of the offspring is 9:3:3:1, what type of cross was performed?
Solution:
A phenotypic ratio of 9:3:3:1 indicates a dihybrid cross.
Steps: 5
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Step 1: Understand what a phenotypic ratio is. It shows the different traits that appear in the offspring.
Step 2: Recognize that a 9:3:3:1 ratio is a specific pattern that occurs in genetics.
Step 3: Know that this ratio comes from a dihybrid cross, which involves two traits.
Step 4: Remember that a dihybrid cross typically involves parents that are both heterozygous for two traits.
Step 5: Conclude that if you see a 9:3:3:1 ratio in the offspring, it means a dihybrid cross was performed.
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