A Scientist Is Studying Insect Wing Length

question 5

Multiple Choice

A scientist is studying insect wing length. An individual from a pure- breeding parental line (P₁) , for which the VP is 40 mm², is mated with an individual from a pure- breeding parental line (P₂) , for which the VP is 80 mm². This results in F₁ progeny that have a VP of 54 mm². A cross between two F₁ progeny results in offspring with a VP of 92 mm. What is the genotypic variance?

• A) 34 mm
• B) 32 mm
• C) 14 mm
• D) 38 mm
• E) 58 mm

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