<span>The letters represent the genes that are donated by each parent during fertilization. The square shows you all the possible outcomes by combining two pairs of genoptypes
while </span><span>the </span>letters<span> on the outside of a </span>Punnett Square stand<span> for the parent alleles. the</span>letters stand<span> for the specific trait . Either one dominant and one recessive or both dominant or both recessive.</span>
