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________________ aneuploidy is better tolerated.(a) Nullisomic(b) Autosomal(c) Sex chromosomal(d) Chromosome 13I had been asked this question in unit test.Query is from Chromosomal Abnormalities : Aneuploidy in section Chromosomal Basis of Inheritance of Cytogenetics

Answer»

Correct option is (c) Sex chromosomal

The explanation is: In case of sex chromosome due to dosage compensation in FEMALE ONE of X chromosome is INACTIVATED. This is similar to the ABSENCE of a sex chromosome, which makes sex chromosome ANEUPLOIDY less lethal.



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