Question

1. Tongue rolling is dominant to non-tongue rolling. Show a cross between mom who is a homozygous tongue roller and a dad who is a non-roller.
Dominant T: Tongue rolling Recessive t: non tongue rolling

Parent Cross: T X t

T t
t
Tt
Tt
t
Tt
Tt








Genotypic Ratio:_________________
Phenotype ratio: _________________

Answer 1

Answer:

TT x tt

Tt Tt Tt Tt

Genotypic Ratio:_________________ 1:1:1:1

Phenotype ratio: _________________  1:1:1:1