Human blood types are determined by the types of proteins, A or B, found in the blood. People with type O blood have neither A nor B proteins present. The table below provides a description of the possible blood type combinations. Phenotype AB A B O Genotype(s) AB AA or AO BB or BO OO What is the probability that a mother with type AB blood and a father with type O blood will have a child with type O blood?

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.