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  • In Shepherd’s purse, the presence of either gene A or gene B or both results in triangular capsules; when both these genes are in recessive forms, the oval capsules produced.Infer the F2 rati

In Shepherd’s purse, the presence of either gene A or gene B or both results in triangular capsules; when both these genes are in recessive forms, the oval capsules produced.Infer the F2 ratio.

Option: 1

15:1


Option: 2

 9:7


Option: 3

3:1


Option: 4

 9:3:4


Answers (1)

best_answer

As we have already discussed in Duplicate gene action -  

 

 

 In duplicate gene action, a character is controlled by two non-allelic genes whose dominant alleles produce the same phenotype whether they are alone or together. The ratio of duplicate gene action is 15:1. 

Hence, the correct option is (a)
 

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mansi

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