Answer :
The type of chromosomal defect in this problem is pericentric inversion.
What are chromosomal structure changes?
- Paracentric inversion is a change in gene sequence that occurs only in one arm without moving to the other arm through the centromere.
- Pericentric inversion is a change in gene sequence that occurs between the two arms that pass through the centromere.
- Deletion, a chromosomal arm breaks and loses part of its locus. The fracture can be attached to the arm of the homologous chromosome or not attached to the arm of the other chromosome.
- Duplication is the addition of loci from the broken arm of the homologous chromosome.
- Translocation is the exchange of genes from one chromosome to another chromosome that is not homologous.
- Chromosomal catenation is broken in two places. This broken part is released and the chromosome in question is then impacted so that the ends of the broken chromosome will stick together.
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