ICSE Class X Biology 2017 Solved Papers

In a homozygous pea plant, axial flowers $({A})$ are dominant over terminal flowers (a).

Question : 94 of 101

Marks: +1, -0

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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