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Which of the following chromosomal aberration shows pseudodominance?

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Which of the following chromosomal aberration shows pseudodominance?

(a) Deletion

(b) Duplication

(c) Inversions

(d) Translocation

This question was posed to me in class test.

This intriguing question originated from Cytogenetics in portion Genetics of Life Sciences

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The correct answer is (a) Deletion

For explanation: Deletion in heterozygous allele cause a recessive allele to become expressed phenotypically which causes pseudodominance.

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