Let\'s say you make a cross between two parents, one is pigmented, and the other

Question

Let's say you make a cross between two parents, one is pigmented, and the other is colorless (non-pigmented). Their respective genotypes are C/C and c/c. Therefore, all the F1 progeny will be C/c, so if pigmented was a dominant trait, you would expect all the progeny to be pigmented. But that is not the whole story. These unusual spotted phenotypes in maize are caused by transposable elements. It can happen in any generation--F1 included. Chapter 14 Opener Introduction to Genetic Analysis Ninth Edition © 2008 WH Freeman and Company

Explanation / Answer

The mutant is caused by Ds insertion can exit late in seed development, when there is an active Ac element in the genome. The seeds of this plant will be:

E) White with small spots of pigment

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