If a study of several pedigrees demonstrates that two parents express a characteristic and none of their children express it, then the trait is controlled by
A)a codominant gene.
B)a simple dominant gene.
C)a recessive gene.
D)a sex-linked gene.
E)No conclusion can be drawn.

Question

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The Answer of If a study of several pedigrees demonstrates that two parents express a characteristic and none of their children express it, then the trait is controlled by
A)a codominant gene.
B)a simple dominant gene.
C)a recessive gene.
D)a sex-linked gene.
E)No conclusion can be drawn.

If a Study of Several Pedigrees Demonstrates That Two Parents