In which type of inheritance is the effect of maternal influence more prominent in the offspring?

In a cross between white-flowered parents,$F_1$ progeny was uniformly purple-flowered. The $F_2$ progeny showed a phenotypic ratio $9:7$ between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by

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

Pattern baldness,moustaches and beard in human males are examples of

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

The $9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to