Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement:

1. Both are due to a quantitative defect in globin chain synthesis
2. Thalassemia is due to less synthesis of globin molecules
3. Sickle cell anemia is due to a quantitative problem of globin molecules
4. Both are due to a qualitative defect in globin chain synthesis

Subtopic:  Additional Note on Thalassemia |
 73%
From NCERT
NEET - 2017
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The genotypes of a husband and wife are IAIB and IAi respectively. Among the blood types of their children, how many different genotypes and phenotypes are possible?

1. 3 genotypes; 4 phenotypes

2. 4 genotypes; 3 phenotypes

3. 4 genotypes; 4 phenotypes

4. 3 genotypes; 3 phenotypes

Subtopic:  Co-dominance |
 74%
From NCERT
NEET - 2017
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Select the correct statement:
1. Franklin Stahl coined the term "linkage".
2. Punnett square was developed by a British scientist.
3. Spliceosomes take part in translation.
4. Transduction was discovered by S. Altman.
Subtopic:  Monohybrid Cross: 1 |
 86%
From NCERT
NEET - 2018
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Which of the following pairs is wrongly matched?
1. Starch synthesis in pea: Multiple alleles
2. ABO blood grouping: Co-dominance
3. XO type sex determination: Grasshopper
4. T.H Morgan: Linkage

Subtopic:  Dominance Deviation from Mendel: 1 |
 74%
From NCERT
NEET - 2018
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A disease caused by an autosomal primary non-disjunction is:

1. Klinefelter's Syndrome

2. Turner's Syndrome

3. Sickle Cell Anemia

4. Down's Syndrome

Subtopic:  Non - Disjunction & Aneuploidy |
 67%
NEET - 2017
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A true-breeding plant is:

1. one that is able to breed on its own
2. produced due to cross-pollination among unrelated plants
3. near homozygous and produces offspring of its own kind
4. always homozygous recessive in its genetic constitution

Subtopic:  Monohybrid Cross: 1 |
 69%
From NCERT
NEET - 2016
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Among the following characters, which one was not considered by Mendel in his experiments on pea?

1. Trichomes-Gladular or non-gladular

2. Seed-green or yellow

3. Pod-inflated or constricted

4. Stem-Tall or Dwarf

Subtopic:  Introduction to Genetics: 2 |
 93%
From NCERT
NEET - 2017
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Which of the following characteristics represent the 'Inheritance of blood groups' in humans? 

a. Dominance

b. Co-dominance

c. Multiple allelism

d. Incomplete dominance

e. Polygenic inheritance

1.  b, c, and e 2.  a, b and c
3.  b, d, and e 4.  a, c, and e
Subtopic:  Co-dominance |
 59%
From NCERT
NEET - 2018
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A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by:

1.Only daughters2.Only sons
3.Only grandchildren4.Both sons and daughters

Subtopic:  Sex Linked Inheritance: Introduction |
 68%
From NCERT
NEET - 2018
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If a colourblind man marries a woman who is homozygous for normal colour vision, the probability of their son being colourblind is:

1. 0

2. 0.5

3. 0. 75

4. 1

Subtopic:  Mendelian Disorders |
 81%
NEET - 2016
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