Extranuclear inheritance is observed 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 $Ccpp$?

After crossing two plants,the male progeny is found to be sterile. This phenomenon is inherited maternally,and the cause lies in genes located in the ...

The phenomenon in which an allele of one gene suppresses the activity of an allele of another gene is known as

$A$ gene that suppresses the expression of another non-allelic gene,where the suppressed gene is not located on the same homologous chromosome pair,is known as what?

The colour of the endosperm in maize is an example of: