Which option shows all allele combinations that can be used to represent a purebred animal?(1 point)

Responses

TT or Tt
TT or Tt

Tt
Tt

tt
tt

TT or tt
TT or tt

1 answer

A purebred animal can be represented by either homozygous dominant (TT) or homozygous recessive (tt) combinations. Therefore, the correct option that shows all allele combinations that can be used to represent a purebred animal is:

TT or tt