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TLS Online TPP Program
#Question id: 12502
#Unit 8. Inheritance Biology
In the pedigree shown, on the basis of the linked marker results II 4 can be told that:
TLS Online TPP Program
#Question id: 12503
#Unit 8. Inheritance Biology
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:
TLS Online TPP Program
#Question id: 12504
#Unit 8. Inheritance Biology
In this pedigree II 3 and III 1 are affected with an X-linked recessive disorder which is tightly linked to a marker locus with alleles A and B, with a recombination fraction of 0 between the disease and marker loci. Analysis of the linked marker results indicates that the disease must be segregating with:
TLS Online TPP Program
#Question id: 12505
#Unit 8. Inheritance Biology
The marker genotype for I 2 must have been:
TLS Online TPP Program
#Question id: 12506
#Unit 8. Inheritance Biology
Using the linked markers III 3 can be told that:
TLS Online TPP Program
#Question id: 12507
#Unit 8. Inheritance Biology
In this pedigree I 1 and II 2 have Becker muscular dystrophy which shows X-linked recessive inheritance. III 2 has oculocutaneous albinism which shows autosomal recessive inheritance with an incidence in the general population of 1 in 10 000. The disease status for both Becker muscular dystrophy and oculocutaneous albinism is unknown for IV 1 and IV 2.
What is the probability that III 3 is a carrier of Becker muscular dystrophy?
