Use a punnett square to calculate the following:
George is the youngest child in a family that includes 4 children. All of the children have the recessive phenotype-attached earlobes. However both parents have unattached earlobes, the dominant trait. Use the letters G. g and answer the following:
What is the genotype of the mother?
What is the genotype of the father?
What percentage of the offspring would express the recessive trait?