Who was the first to use statistical analysis and mathematical logics for solving biological problems? 

(1) Francis crick

(2) Gregor Mendel

(3) Hugo de vries

(4) W. Bateson

Subtopic:  Introduction to Genetics: 1 |
 96%
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If F2 dwarf plants were self-pollinated then the genotype of F3 & F4 plants is 

(1) TT and Tt

(2) tt and tt

(3) tt and Tt

(4) Tt and Tt

Subtopic:  Monohybrid Cross: 1 |
 76%
From NCERT
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Trait expressed in F1 generation is 

(1) Parental

(2) Recessive

(3) Dominant

(4) Recombinant

Subtopic:  Monohybrid Cross: 1 |
 80%
From NCERT
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In a true breeding tall or dwarf pea variety the possible set of allelic pair(s) of genes for height are

(1) TT, Tt, tt

(2) TT, tt

(3) TT

(4) tt

Subtopic:  Monohybrid Cross: 1 |
 56%
From NCERT
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Which of the following is a monohybrid? 

(1) TT

(2) tt

(3) Tt

(4) None

Subtopic:  Monohybrid Cross: 1 |
 78%
From NCERT
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Test cross is used to predict the

(1) Phenotype of test organism

(2) Sex of test organism

(3) Genotype of test organism

(4) Genotypic ratio.

Subtopic:  Monohybrid Cross: Further Understanding |
 86%
From NCERT
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Genotypic and phenotypic ratios of monohybrid cross are

(1) 3:1 and 1:2:1

(2) 1:2:1 and 3:1

(3) 1:2:1 and 1:2:1

(4) 3:1 and 3:1

Subtopic:  Monohybrid Cross: 1 |
 81%
From NCERT
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What is the means of segregation in Law of segregation? 

(1) Allelic separation

(2) Chromosomal separation

(3) Crossing over

(4) Linkage

Subtopic:  Law of Segregation |
 69%
From NCERT
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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%
From NCERT
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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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