Technique(s) usedby Mendel for his hybridisation experiments

(1) Emasculation

(2) Bagging

(3) Artificial hybridisation

(4) All of the above

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Trait expressed in F1 generation is 

(1) Parental

(2) Recessive

(3) Dominant

(4) Recombinant

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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

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Which of the following is a monohybrid? 

(1) TT

(2) tt

(3) Tt

(4) None

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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.

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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

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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

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Incomplete dominance is present in

(1) Snapdragon flower

(2) Dog flower

(3) Antirrhinum flower

(4) All of the above

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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

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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

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