as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
find the punnett square for a cross between two parents with heterozygous dominant (tt) and homozygous recessive (tt) alleles.
user
the punnett square would look like this:

tt | tt
tt | tt. 

 so, the alleles could be dominant (t) and recessive (t). the genotypic ratio would be 1:2:1 (tt:tt:tt).
assistant