Which type of chromosome alteration results in the formation of a tetravalent (cross-like) structure at synapsis?

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Biology

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2 July, 01:15

Which type of chromosome alteration results in the formation of a tetravalent (cross-like) structure at synapsis?

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Douglas Peck · Answer 1

The type of chromosome alteration that results in the formation of a tetravalent (cross-like) structure at synapsis is the reciprocal translocation. It is typically an exchange of genetic material of nonhomologous chromosomes. It happens in about 1 for every 500 newborns.