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ICSE Class X Biology 2017 Solved Papers

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In a homozygous pea plant, axial flowers (A) are dominant over terminal flowers (a).
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Question : 94
Total: 101
What is the phenotypic ratio and genotypic ratio of the above cross shown in (ii)?
Solution:  
Genotypic ratio −1:2:1
i.e. homozygous axial =1
hoterozygous axial =2
homozygous terminal =1
Phenotypic ratio −3:1
i.e. ‌‌ Axial =3
Terminal =1
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