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If the offspring of a cross show a 9/16 to 3/16 to 3/16 to 1/16 ratio (9:3:3:1), the parents of the cross have the genotypes   
 

Option: 1

AaBb x AaBb
 


Option: 2

AaBb x aaBB
 


Option: 3

aaBb x aabb
 


Option: 4

aaBb x Aabb
 


Answers (1)

best_answer

 

 

As we have discussed in Dihybrid Cross -

  • 9:3:3:1 represents the typical phenotypic ratio obtained in F2 generation when the parents are heterozygous for both the genes. 

Hene, the correct option is (a).

Posted by

seema garhwal

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