TLS Online TPP Program

#Question id: 12503


In this pedigree II 1 is affected with an autosomal recessive disorder. The disease status for II 2 is unknown. A and B represent alleles at a locus which is tightly linked to the disease locus with recombination fraction of 0. Using the linked markers, II2 can be told that:

#Unit 8. Inheritance Biology
  1. she is affected
  2. she is a carrier
  3. she is homozygous unaffected
  4. the marker results are not informative