The ratio of $9:7$ is obtained as a result of:

$A$ gene that suppresses the effect of another gene,and which is not located at the same locus on homologous chromosomes,is called:

What is the collective term for all the cytoplasmic genes present in the cytoplasm?

When one pair of genes suppresses the effect of another pair,the phenomenon is known as:

Extranuclear inheritance is the result of the presence of genes in ........

In $Lathyrus$ $odoratus$,dominant genes $C$ and $P$ are required for the production of purple flower color. What will be the ratio of white to purple flowers in a cross between $CcPp$ and $Ccpp$?