Assertion (A): When Mendel crossed true-breeding tall (TT) and dwarf (tt) pea plants, all the F1 progeny were tall.
Reason (R): The allele for tallness (T) is dominant over the allele for dwarfness (t).
Assertion (A): When Mendel crossed true-breeding tall (TT) and dwarf (tt) pea plants, all the F1 progeny were tall.
Reason (R): The allele for tallness (T) is dominant over the allele for dwarfness (t).