When two non-allelic genes produce a new phenotype when present together, but fail to do so independently, what is this phenomenon called?

In which type of inheritance would you expect a maternal effect in more offspring?

Who worked on the poky strain of $Neurospora$?

Epistasis differs from dominance because.......

Cytoplasmic inheritance always shows

In sweet peas,genes $C$ and $P$ are necessary for colour in flowers. The flowers are white in the absence of either or both the genes. What will be the percentage of coloured flowers in the offspring of the cross $Cc\ pp \times cc\ Pp$ (in $\%$)?