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  4. Which of the following pairs of chromosomal mutation are most likely to occur when homologous chromosomes are undergoing synapsis?

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Q. Which of the following pairs of chromosomal mutation are most likely to occur when homologous chromosomes are undergoing synapsis?

Punjab PMETPunjab PMET 2007

Solution:

A deletion occur when an end of a chromosome breaks off or when two simultaneous breaks leads to the loss of a segment. A duplication is the doubling of a chromosomal segment.