TLS Online TPP Program

#Question id: 12500


In this pedigree II 1 is affected with an autosomal recessive disorder. The disease status for II 2, II 3 and II 4 is unknown. A and B represent alleles at a locus which is tightly linked to the disease locus with recombination fraction of 0. On the basis of the linked markers II 2 can be told that: 


#Part-A Aptitude & General Biotechnology
  1. he is affected.
  2. he is a carrier.
  3. he is homozygous unaffected.
  4. the marker results are not informative.