Question

In the first filial generation, what is the observation for the cross \[TT \times tt\]?

Options

• Only the dominant trait appears

• The genotypic ratio is \[1:2:1\]

• Only the recessive trait appears

• Both tall and dwarf plants appear

Answer 1

All F1 offspring have genotype \[Tt\] and are tall. Thus, only the dominant trait appears in the first filial generation.