Lab Activity Blood Type Pedigree Mystery ✦
Priya’s eyes widened. “If Ana is O negative and Carlos is AO, then possible children: type A or type O. Julian is type O—so he could be Ana’s son.”
After running the simulations, Maya’s group confirmed that a type O child can only come from a type O parent or a heterozygous A/O or B/O parent. Since Ana was OO, Julian’s father must have contributed an O allele. That means Julian’s biological father was either type O, A, or B—but not AB. lab activity blood type pedigree mystery
Her partner Leo leaned in. On the chart: Grandparents Ana and Carlos (both type A), their three children—Elena (type O), Marco (type AB), and Luis (type A)—and Luis’s two kids, Sofia (type A) and Diego (type B). Priya’s eyes widened
“If Julian is truly Ana’s son,” Maya said slowly, “and Ana was AB at the time of his birth, Julian cannot be type O.” Since Ana was OO, Julian’s father must have
Maya examined Julian’s alleged blood type on the intake form: .
Here’s a short draft for a lab activity story titled Title: The Heirloom Type