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In pea, the gene that controls starch synthesis shows all of the following except

1.  Dominance 

2.  Incomplete dominance

3.  Multiple allelism

4.  Pleiotropy

  

Subtopic:  Dominance Deviation from Mendel: 2 | Polygenic Inheritance & Pleiotropy |
 51%
Level 3: 35%-60%
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What is incorrect for genetic maps?

1. Alfred Sturtevant prepared it for the first time using monohybrid test cross
2. It is a measure of the distance between genes present on the same chromosome
3. Stronger the linkage lesser is the distance between two genes
4. It was extensively used in the case of the Human Genome Sequencing Project
Subtopic:  Understanding Linkage |
 75%
Level 2: 60%+
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Match the column correctly

Column l  Column lI
a. Phenylketonuria  i. Autosomal trisomy associated with mongolism
b. Down's syndrome  ii. Gynaecomastia
c. Klinefelter's syndrome iii. Autosomal recessive trait associated with mental retardation
d. Turner's syndrome iv. Sterile females with rudimentary ovaries 

1.  a(iii), b(i), c(iv), d(ii)
2.  a(ii), b(iii), c(i), d(iv)
3.  a(ii), b(i), c(iii), d(iv)
4.  a(iii), b(i), c(ii), d(iv)

Subtopic:  Mendelian Disorders | Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
 81%
Level 1: 80%+
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All are X-linked traits, except

1. Colourblindness

2. Haemophilia

3. Deficiency of glucose-6-phosphate dehydrogenase

4. Hypertrichosis

Subtopic:  Sex Linked Inheritance: Characteristics |
 54%
Level 3: 35%-60%
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If we change the position of genes on chromosomes it will be included in

1.  Gene mutation

2.  Chromosomal mutation

3.  Polyploidy

4.  Transversion mutation

Subtopic:  Mutation |
Level 3: 35%-60%
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If size of strach grains in pea is considered as phenotype, Bb alleles show

1.  Dominance

2.  Codominance

3.  Incomplete dominance

4.  Pleiotropism 

Subtopic:  Dominance Deviation from Mendel: 1 | Dominance Deviation from Mendel: 2 |
 66%
Level 2: 60%+
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Both the alleles produce their effect in

1.  Heterozygous B blood group

2.  Sickle cell hemoglobin

3.  Snapdragon flower color

4.  Cucurbits fruit color 

Subtopic:  Dominance Deviation from Mendel: 2 |
 56%
Level 3: 35%-60%
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Law of segregation can be proved with

1. The presence of dominant genotype in F2

2. The presence of recessive genotype in F1

3. The presence of recessive homozygous in F2

4. The presence of a heterozygous individual in F2

Subtopic:  Law of Segregation and Law of Independent Assortment |
 60%
Level 2: 60%+
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Which of the following traits shows expression in only homozygous condition?

1.  Yellow seed

2.  Inflated pod

3.  Axial flower

4.  Wrinkled seed

Subtopic:  Introduction to Genetics: 2 |
 81%
Level 1: 80%+
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In the given below figure what does (a) and (b) represent

1.  GAG, Glumatic acid

2.  GUG, Valine

3.  GAG, Valine

4.  GUG, Glumatic acid 

Subtopic:  Mendelian Disorders: Sickle Cell Anemia |
 73%
Level 2: 60%+
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