what is the purpose of a Punnett square
the purpose is to be able to predict the geno &phenotype of offspring from their parents.
what is the genotype?
the letters which are the genetic constitution of the organism .
what is the phenotype?
the visible characteristics of an organism.
which order does the genotype ratio go?
AA:Aa:aa
what is the genotype for males?
XY
what is the genotype for females?
XX