alleryThe gain or loss of a single chromosome is called:
AAlloploidy
BAmphiploidy
CAneuploidy
DAutoploidy
Answer & Solution
Correct answer: C. Aneuploidy
1. Failure of segregation of chromatids during cell division causes it.
2. This gain or loss of a chromosome is called aneuploidy.
3. An increase in a whole set instead is polyploidy.
_Source: syllabus Biology, Ch 5 'Principles of Inheritance and Variation'_
Keep practising Principles of Inheritance and Variation
Browse all Principles of Inheritance and Variation questions for CBSE Class 12 (Science), or explore more Biology topics.
Related questions
Who first described Down's syndrome, in 1866?Failure of cytokinesis after telophase leads to which condition, common in plants?The gain or loss of a chromosome due to failure of chromatid segregation is called what?What is the karyotype in Klinefelter's syndrome?What chromosome constitution does a person with Turner's syndrome have?Which genotype shows the diseased phenotype of sickle-cell anaemia?In sickle-cell anaemia, which amino acid replaces glutamic acid in the beta globin chain?Sickle-cell anaemia is inherited as which type of trait?