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Partial distal 6p trisomy in a malformed fetus
Annales De Genetique
|January 1, 1986
Summary
This study describes a fetus with trisomy 6p, resulting from a maternal translocation. The fetus exhibited significant internal malformations, including abnormal lung lobulation and kidney development.
Area of Science:
- Genetics
- Developmental Biology
- Fetal Medicine
Background:
- Maternal translocations can lead to unbalanced chromosomal products in offspring.
- Chromosomal abnormalities are a significant cause of congenital malformations.
Observation:
- A 19-week-old fetus was found to have trisomy 6p.
- This condition arose from a maternal balanced translocation between chromosomes 6p and 22q (karyotype: 46,XX,t(6;22)(p22;q13)).
Findings:
- The fetus presented with multiple internal malformations.
- These included abnormal lung lobulation, renal hypoplasia with crossed ectopia, and intestinal malrotation.
Implications:
- This case highlights the phenotypic consequences of trisomy 6p.
- Understanding such unbalanced translocations is crucial for genetic counseling and prenatal diagnosis.
- Further research into 6p trisomy may reveal specific gene functions critical for organ development.