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  • The reason for 3:1 phenotypic ratio in a typical Mendelian monohybrid cross is:Option: 1 Law of Segregation<str

The reason for 3:1 phenotypic ratio in a typical Mendelian monohybrid cross is:

Option: 1

Law of Segregation


Option: 2

Law of Dominance


Option: 3

Law of Independent Assortment


Option: 4

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Answers (1)

best_answer

 

 

As we have discussed in:

Significance of Law of Dominance:

  • It explains the expression of trait of only one of the parents in F1 generation. 
  • It explains the phenotypic ratio of 3:1 in F2 progeny.
  • It indicates the superiority of mixed population as it hides many of the defective recessive alleles.
     

- Hence, the correct answer is 'Law of Dominance'

Posted by

Ritika Kankaria

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