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Questions  

Which type of gene interaction is seen in flower colour of Lathyrus odoratus?

a
Supplementary gene interaction.
b
Complementary gene interaction.
c
Dominant epistasis.
d
Recessive epistasis.

detailed solution

Correct option is B

Lathyrus odoratus is sweet pea which has purple and white coloured flowers. The flower colour of Lathyrus odoratus as observed in the F2 generation is 9(purple):7(white). Flower colour of Lathyrus odoratus is an example of complementary gene interaction.

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