Answer:
Yy, Yy, Yy, Yy
Yellow in color
Explanation:
Let the allele for green seed be represented by "y" and the allele for yellow seed be represented by "Y"
Given Yellow seed color is dominant over green.
Genotype of true breeding green seed parents will be yy
Genotype of true breeding yellow seed parents will be YY
F1 cross
[tex]YY * yy\\Yy, Yy, Yy, Yy[/tex]
Genotype of all the offspring is heterozygous "Yy"
Phenotype of all the offspring is yellow