Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2020
ZoologyEasysingle choice
Given below is a pedigree chart showing the in-heritance of a certain sex-linked trait in humans.
The trait traced in the above pedigree chart is
Options:
Answer:
B
Solution:
The genes for such traits are recessive and located on the X-chromosome. The x-linked recessive character appear more frequently in male and male always receive x-chromosome from her mother.
Example:
- Colour Blindness
- Haemophilia
- Night Blindness
- Glucose-6-p-dehydrogenase
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2020
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