In a Dihybrid Cross,if the P Generation Consists of Plants

question 2

Multiple Choice

In a dihybrid cross,if the P generation consists of plants that are true breeding (one is homozygous dominant,the other homozygous recessive) then the F2 generation will consist of organisms that exhibit what phenotypic ratio?

• A) 3 dominant for both traits : 9 dominant for trait #1 and recessive for trait #2 : 3 dominant for trait #2 and recessive for trait #1 : 1 recessive for both traits
• B) 3 dominant for both traits : 3 dominant for trait #1 and recessive for trait #2 : 3 dominant for trait #2 and recessive for trait #1 : 1 recessive for both traits
• C) 9 dominant for both traits : 3 dominant for trait #1 and recessive for trait #2 : 3 dominant for trait #2 and recessive for trait #1 : 1 recessive for both traits
• D) 9 dominant for both traits : 1 dominant for trait #1 and recessive for trait #2 : 3 dominant for trait #2 and recessive for trait #1 : 1 recessive for both traits
• E) None of these

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