In Coleus, the allele for deeply toothed leaf margin is dominant to the allele for shallow-toothed margin and the allele for irregular venation is dominant to the allele for regular venation. A plant that is heterozygous for both the deeply toothed and irregular-venation conditions is crossed with a plant with shallow-toothed margins and regular veins. What proportion of the offspring will have deep-toothed margins and regular veins?a. 1/16
b. 3/16
c. 9/16
d. 15/16