Punnett Square
Biology: Cambridge International GCSE Supplement, topic 17.3.5
Punnett Squares
Punnett squares are diagrams that help us to visualise the outcome of a monohybrid cross. In these diagrams, a capital letter shows a dominant allele.
Test yourself on Punnett Square
What is the probability (%) of dominant phenotype in the offspring of parents with genes GG and gg?
What is the probability (%) of recessive phenotype in the offspring of parents with genes Gg and Gg?