Question

Write the schematic representation of two gen inheritance by considering seed colour and seed shape in pea plant

Answer 1

Answer:(i) The phenotype of F1 progeny will be Axial Round as it is dominant phenotype.

(ii) The phenotypes of F1 progeny will be Axial Round, Axial Wrinkled, Terminal Round and Terminal Wrinkled as in F2 generation, recessive trait is also expressed.  

(iii) Phenotypic ratio of F2 progeny will be 9:3:3:1.

(iv) Above observation are based on Law of Independent Assortment. This law states that factors or genes controlling different characters assort independently without influencing each other during the formation of gametes.