Incomplete dominance is present in

(1) Snapdragon flower

(2) Dog flower

(3) Antirrhinum flower

(4) All of the above

Subtopic:  Dominance Deviation from Mendel: 1 |
 92%
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ABO blood grouping provides an example of

(i) co-dominance

(ii) Multiple allelism

(iii) Incomplete dominance

(1) i and iii

(2) i and ii

(3) ii and iii

(4) i, ii and iii

Subtopic:  Dominance Deviation from Mendel: 2 |
 83%
From NCERT
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A cross was performed between pea plants P1 (violet flower) and P2 (white flower). If obtained progeny showed ratio of 1 (violet) : 1 (white) , then determine the genotype of P1. 

(1) Homozygous recessive

(2) Heterozygous

(3) Homozygous dominant

(4) Can’t be determined

Subtopic:  Monohybrid Cross: Further Understanding |
 78%
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Recessive allele of an enzyme coding gene may be responsible for the production of

(1) The normal/less efficient enzyme

(2) A non-functional enzyme

(3) No enzyme at all

(4) Any of the above.

Subtopic:  Monohybrid Cross: Further Understanding |
 73%
From NCERT
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Genes which code for a pair of contrasting traits are known as

(1) Factors

(2) Alleles

(3) Linked genes

(4) Lethal genes

Subtopic:  Monohybrid Cross: 1 |
 84%
From NCERT
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ABO blood groups are controlled by which gene

(1) a

(2) I

(3) b

(4) All of the above

Subtopic:  Dominance Deviation from Mendel: 2 |
 65%
From NCERT
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Co-dominance refers to the condition where F1

(1) resembles the dominant parent

(2) is in-between the parents

(3) resembled the recessive parents

(4) resembles both the parents

Subtopic:  Dominance Deviation from Mendel: 2 |
 85%
From NCERT
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What does Blending inheritance refers to? 

(1) Mixed characters in an offspring

(2) Dominant character

(3) Recessive character

(4) Dominant & recessive character

Subtopic:  Dominance Deviation from Mendel: 1 |
 85%
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In human ABO blood grouping possible number of genotypes is

(1) 3

(2) 4

(3) 6

(4) 9

Subtopic:  Dominance Deviation from Mendel: 2 |
 80%
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Recessive character is expressed in

(1) F0

(2) F1

(3) F2

(4) Never expressed.

Subtopic:  Monohybrid Cross: 1 |
 88%
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