EXERCISE 3.3 (Mechanism of trait inheritance)

The figure below shows a monohybrid cross between two plants.

R- gene for red flower (dominant)
r-gene for white flower (recessive)

parental phenotype: red flower X white flower

parental genotype :

Meiosis--------------------

Gametes :

Fertilization:--------------

F1 generation
Genotype :

Phenotype :
Genotype ratio :
Phenotype ratio :

When two F1 plants are crossed:

parental phenotype: red flower X red flower

parental genotype :

Meiosis--------------------

Gametes :

Fertilization:--------------

F2 generation
Genotype :

Phenotype :
Genotype ratio :
Phenotype ratio :