Sarah and Bob are high-school sweethearts who have been

Last updated: 7/8/2022

Sarah and Bob are high-school sweethearts who have been married for 30 years. Sarah, who is Type A blood, has two children with Bob - Mary with Type O blood and Tim with Type B blood. Mary and Tim decided to sequence their DNA through 23andMe (a DNA Sequencing Company). While Tim's blood type alleles are I^B and i, Mary found out she has the alleles I^A and I^B. Based on the DNA sequencing data, what should be Mary's blood phenotype? Type O Type A Type AB Type B