Question

if a dwarf planet is treated with gibberllins it becomes tall and this plant now crosses with pure tall plant then progeny of first generation is
1. all dwarf. 2. all tall. 3. 75% tall and 25% dwarf. 4. 75% dwarf and 25% tall.....please explain ur answer

Answer 1

Ans. 2

Cross would be somewhat like this

TT x tt

In F1 all genotype = Tt(heterozygous tall)

Giberlins only effect phenotype.