In Holly,serrated Leaves Are Dominant to Smooth-Edged Leaves,and Red Berries $\frac { 1 } { 4 }$

In holly,serrated leaves are dominant to smooth-edged leaves,and red berries are dominant to green berries.Two holly plants heterozygous for leaf edge shape and berry color are crossed together.Assuming that the two traits assort independently of one another,what proportion of the progeny will have smooth-edged leaves and green berries?

A) $\frac { 1 } { 4 }$
B) $\frac { 3 } { 4 }$
C) $\frac { 9 } { 16 }$
D) $\frac { 3 } { 16 }$
E) $\frac { 1 } { 16 }$