Question

A Robertsonian translocation is considered non-reciprocal because _______.

Answer 1

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Answer 2

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A Robertsonian translocation is a type of nonreciprocal translocation involving two homologous (paired) chromosomes or non-homologous chromosomes (i.e. two different chromosomes, not belonging to a homologous pair). A feature of chromosomes that are commonly found to undergo such translocations is that they possess an acrocentric centromere, partitioning the chromosome into a large arm containing the vast majority of genes, and a short arm with a much smaller proportion of genetic content. During a Robertsonian translocation, the participating chromosomes break at their centromeres and the long arms fuse to form a single chromosome with a single centromere. The short arms also join to form a reciprocal product, which typically contains nonessential genes and is usually lost within a few cell divisions.

Answer 3

nonreciprocal translocation involves the transfer of genes from one chromosome to another, nonhomologous chromosome.[1