Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationMultiple Alleles and Co-dominanceEasy2 minPYQ_2020
ZoologyEasysingle choice
Match the terms in Column-I with their description in Column-II and choose the correct option:
| Column – I | Column – II |
| (a) Dominance | (i) Many genes govern a single character |
| (b) Codominance | (ii) In a heterozygous organism, only one allele expresses itself |
| (c) Pleiotropy | (iii) In a heterozygous organism, both alleles express themselves fully |
| (d) Polygenic inheritance | (iv) A single gene influences many characters |
Options:
Answer:
B
Solution:
Dominance - In a heterozygous organism, only one allele expresses itself.
Codominance - In a heterozygous organism both alleles express themselves equally.
Pleiotropy - A single gene influences many characters.
Polygenic Inheritance - Many genes govern a single character.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Multiple Alleles and Co-dominance
⏱ 2mℹ️ Source: PYQ_2020
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