Question

T (tall) is dominant over t (short)

G (green) is dominant over g (yellow)

Cross a short yellow, plant with a plant that is heterozygous for both traits

Answer 1

sorry its kinda messy i added a picture

Answer 2

The crossing plant with short yellow should be tall green

Step-by-step explanation:

short yellow = tg

tall green = TG

their kids' traits = Tt, Tg, tG, gG (all heterozygous)