What phenotypic ratio will be there when selfing of a trihybrid is performed in which two gene pairs are completely dominant and one gene pair is codominant?

1. 3:9:1:2:1:3
2. 27:9:3:1:3:3:1
3. 9:3:3:1:18:6:6:2:9:3:3:1
4. 18:6:6:2:1:2:1:2:1

Which one of the following trait is only expressed in the presence of identical allele?

1.  Yellow seed

2.  Inflated pod

3.  Green pod

4.  Green seed