In a dihybrid cross between two parents, which of the following ratios represents the expected genotypic ratio of the offspring? A) 9:3:3:1 B) 4:0:0:0 C) 3:1 D) 1:2:1
Understand the Problem
The question is asking about the expected genotypic ratio of offspring resulting from a dihybrid cross between two parents. A dihybrid cross examines the inheritance of two different traits and the expected ratio can be derived from a Punnett square approach.
Answer
1:2:1
The final answer is 1:2:1.
Answer for screen readers
The final answer is 1:2:1.
More Information
In a typical dihybrid cross, the phenotypic ratio of 9:3:3:1 reflects the combination of two heterozygous genes, while the genotypic ratio combines different allele pair outcomes, resulting in 1:2:1:2:4:2:1:2:1.
Sources
- The web page with info on - Example Source - ucdenver.edu
- In a dihybrid cross, when one pair of alleles show incomplete ... - toppr.com
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