EASY
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Polydactyly in man is due to :-

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Important Questions on Principles of Inheritance and Variation

MEDIUM
NEET
IMPORTANT
Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- IV (Assertion & Reason)>Q 18
Blue eye colour in human is recessive to brown eye colour. The expected children of a marriage between a blue-eyed woman and a brown eyed man who had a blue-eyed mother will be-
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- IV (Assertion & Reason)>Q 19
The existence within a population of non-beneficial alleles in heterozygous genotype is :-
HARD
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Beta Question Bank for Medical: Biology>Chapter 27 - Principles of Inheritance and Variation>EXERCISE- IV (Assertion & Reason)>Q 20
Thalassaemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement: