In a Dihybrid Cross of Two Heterozygous Individuals,you Expect a 9:3:3:1

question 10

Multiple Choice

In a dihybrid cross of two heterozygous individuals,you expect a 9:3:3:1 phenotypic ratio in the offspring,but observe a ratio of 9:7.What is the most likely explanation?

• A) codominace
• B) a sex-limited trait
• C) simple Mendelian inheritance
• D) incomplete penetrance
• E) epistatic interactions of the two genes

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