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Down syndrome is the result of monoploidy.

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Important Questions on Principles of Inheritance and Variation

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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Write a short note on Down's syndrome.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Write the chromosomal disorder in Down's syndrome and write any three symptoms of it.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Write notes on Down's syndrome.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
An abnormal human baby with 'XXX' sex chromosomes was born due to:
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Karyotype of Klinefelter syndrome is
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Give one example of autosomal genetic disease. What is its reason?
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Describe the symptoms of Down's syndrome.
MEDIUM
Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind?
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Name a human genetic disorder due to the following :
An additional X-chromosome in a male
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
What is Down Syndrome? Write its symptoms.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Thalassemia and sickle cell anaemia are caused due to a problem in globin molecule synthesis. Select the correct statement.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
A disease caused by an autosomal primary non-disjunction is
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Which of the following muscular disorders is inherited?
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Genetic disorder due to trisomy of chromosome 21 in humans is
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
A human female with Turner's syndrome
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Select the correct match.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Conditions of a karyotype 2n±1 and 2n±2 are called
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
Write differences between Down's syndrome and Klinefelter's syndrome.
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders

Match the Column- I with Column - II

  Column - I   Column - II
i Autosomal trisomy p Turner's Syndrome
ii Allosomal trisomy q Mendelian disorder
iii Allosomal Monosomy r Klinefelter's Syndrome
iv Cystic fibrosis s Down's Syndrome
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Biology>Genetics and Evolution>Principles of Inheritance and Variation>Genetic Disorders
The genetic disorder in which an individual has an overall masculine development, gynaecomastia and is sterile: