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A paternal balanced translocation [t(7;22)(q32;q13.3)] leading to reciprocal unbalanced karyotypes in two consecutive pregnancies.

J L Zackowski, Leslie J. Raffel, Latisha McDaniel, Stuart Schwartz

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Abstract

A family is reported in which a man with a balanced reciprocal translocation [46,XY,t(7;22)(q32;q13.3)] fathered a daughter who was trisomic for the region 7q32----7qter and monosomic for 22q13.3----22qter, and a male fetus who was monosomic for 7q32----qter and trisomic for 22q13.3----22qter. The meiotic segregation of this translocation, as well as the phenotypes of the unbalanced offspring, are discussed.

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What this paper is about

A family is reported in which a man with a balanced reciprocal translocation [46,XY,t(7;22)(q32;q13.3)] fathered a daughter who was trisomic for the region 7q32----7qter and monosomic for 22q13.3----22qter, and a male fetus who was monosomic for 7q32----qter and trisomic for 22q13.3----22qter. The meiotic segregation of this translocation, as well as the phenotypes of the unbalanced offspring, are discussed.

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Available abstract

A family is reported in which a man with a balanced reciprocal translocation [46,XY,t(7;22)(q32;q13.3)] fathered a daughter who was trisomic for the region 7q32----7qter and monosomic for 22q13.3----22qter, and a male fetus who was monosomic for 7q32----qter and trisomic for 22q13.3----22qter. The meiotic segregation of this translocation, as well as the phenotypes of the unbalanced offspring, are discussed.

Key concepts: Chromosomal translocation, Biology, Offspring, Meiosis, Karyotype, Genetics, Aneuploidy, Daughter

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A paternal balanced translocation [t(7;22)(q32;q13.3)] leading to reciprocal unbalanced karyotypes in two consecutive pregnancies. — Research Paper | ScholarLens