Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2015
ZoologyEasysingle choice
An abnormal human baby with 'XXX' sex chromosomes was born due to:NEET 2015 (Phase 1)
Options:
Answer:
B
Solution:
Formation of abnormal ova i.e., 22 + XX in the mother will lead to birth of baby with 'XXX' genotype, due to chromosomal non disjunction in ova. Nondisjunction is the failure of the chromosomes to disjoin and move to opposite poles.
Stream:NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2015
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