multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. a classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. how might identical and obviously duplicated gene sequences have gotten from one chromosome to another?

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08-12-2022
Biology

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multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. a classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. how might identical and obviously duplicated gene sequences have gotten from one chromosome to another?

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ikarikayah ikarikayah · Answer 1 · 2022-12-15T06:02:14+01:00

Identical and duplicated gene sequences have gotten from one chromosome to another by chromosomal translocation.

Translocations occur when a broken segment of a chromosome moves to another chromosome that is not its homologous chromosome. This event occurs during meiosis I. Translocations between non-homologous chromosomes form new chromosomes

Translocation is a mechanism for changing the structure of chromosomes or chromosomal mutations. Changes in the structure of chromosomes are usually a result of using light that has a high radiation power, for example, X-rays, UV rays, or ionizing radiation.

So, in multigene families, a chromosomal translocation occurs.

The question is multiple choice:

A) by normal meiotic recombination

B) by normal mitotic recombination between sister chromatids

C) by transcription followed by recombination

D) by chromosomal translocation

E) by deletion followed by insertion

The true choice is D

Learn more about chromosomal translocation at https://brainly.com/question/16018107

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