Which is example of inhibitory gene

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4.Principles of Inheritance and Variation

normal

Which is the example of inhibitory gene

Rice

Pea

Sweet pea

All the above

Solution

(a) In$ IIpp$ $(green)$ $X$ purple $(iipp)$ cross the $F_1$ is green $(IiPp)$ and $F_2$ generation comprises $13$ green $(I-P-, I-pp, $ and $iipp$) : $3$ purple $(iip-)$ as the presence of $p$ in the absence of $I$ only may cause the purple colour in rice.

Standard 12

Biology