Biology · Genetics and Linkage
In a pedigree analysis, three Short Tandem Repeat (STR) loci A, B, and C are linked on the long arm of the X-chromosome in the order: centromere-A-B-C-telomere. The alleles present in individuals are: Generation I: 1 (5,6; 7,8; 1,2), 2 (4; 9; 2), 3 (5,6; 8,9; 1,2), 4 (4; 7; 3) Generation II: 1 (4,6; 7,9; 1,2), 2 (6; 8; 1) Generation III: 1 (6; 8,9; 1,2), 2 (4; 9; 2), 3 (6; 7; 2), 4 (6; 7,8; 1) Which individuals carry recombinant X-chromosomes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1III - 1 and III - 3✓
- 2III - 2 and III - 4
- 3II - 2, III - 1 and III - 2
- 4II - 1, III - 1 and III - 2
Correct answer
III - 1 and III - 3
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