contestada

in the P generation, a tall plant was crossed with a short plant. The short plants reappeared in the F1 generation because ?

Respuesta :

In the F1 he genotype was Tt and T is dominant tall and t is recessive short and so they were all tall. 

In the F2 the genotypes are TT Tt Tt tt since the gametes are T and t. 

One short (tt) to three tall (TT Tt Tt)