A plant with red flowers was crossed with another plant with yellow flowers. If $F_1$ showed all flowers orange in colour, explain the inheritance.

In poultry, new comb colour appears by colaboration of two dominant gene is

The phenotype of an individual may be affected if the modified allele produces

$(a)$ No enzyme at all
$(b)$ The normal/less efficient enzyme
$(c)$  $A$ non-functional enzyme

In $F_2$ generation of monohybrid cross the cause of $1 : 2 : 1$ phenotypic ratio is

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in $\mathrm{F}_{1}$ generation, pink flowers were obtained. When pink flowers were selfed, the $\mathrm{F}_{2}$ generation showed white, red and pink flowers.

Choose the incorrect statement from the following