In plants,where are the genes for cytoplasmic inheritance located?

Cytoplasmic inheritance always shows

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

Which of the following is not an example of cytoplasmic inheritance?

Study the given pedigree chart and identify the nature of the trait.

Which of the following is an example of a supplementary gene?