Genetic Disorders MCQs with Answers

adminApril 3, 2024

0 28 2 minutes read

Welcome to the Genetic Disorders MCQs with Answers. In this post, we have shared Genetic Disorders Online Test for different competitive exams. Find practice Genetic Disorders Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Genetic Disorders.

Genetic disorders are conditions caused by alterations in an individual’s DNA, affecting how genes function and leading to a variety of health issues. These disorders can be inherited or occur spontaneously due to mutations. They are classified into several categories, including single-gene disorders, chromosomal disorders, and multifactorial disorders.

Single-gene disorders, such as cystic fibrosis, sickle cell anemia, and Huntington’s disease, result from mutations in a single gene. These conditions can be inherited in an autosomal dominant or recessive pattern, depending on the gene involved. For instance, cystic fibrosis is an autosomal recessive disorder, meaning a person must inherit two defective copies of the gene to exhibit symptoms.

Chromosomal disorders arise from abnormalities in the number or structure of chromosomes. Down syndrome, caused by an extra copy of chromosome 21, is a common example. These disorders often lead to developmental and intellectual disabilities.

Multifactorial disorders, such as heart disease and diabetes, result from a combination of genetic and environmental factors. These conditions are more complex to study and manage, as they involve interactions between multiple genes and lifestyle factors.

Advances in genetic testing and counseling have improved the diagnosis and management of genetic disorders. Techniques like genomic sequencing and carrier screening help identify at-risk individuals and provide options for early intervention and personalized treatment.

Genetic Disorders Online Quiz

By presenting 3 options to choose from, Genetic Disorders Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Genetic Disorders Questions and Answers and click over the correct answer.

Test Name: Genetic Disorders MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Genetic Disorders

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1 / 40

What is the main symptom of Wilson's disease?

Protein misfolding

Iron overload

Copper accumulation in the body

2 / 40

What is the primary feature of achondroplasia?

Short stature

Vision loss

Muscle weakness

3 / 40

Which disorder is associated with a mutation in the MECP2 gene?

Fragile X syndrome

Rett syndrome

Marfan syndrome

4 / 40

What is the main characteristic of Prader-Willi syndrome?

Vision loss

Progressive muscle weakness

Insatiable appetite

5 / 40

What is the main characteristic of achondroplasia?

Progressive muscle weakness

Vision loss

Short stature

6 / 40

Which genetic disorder is characterized by progressive muscle weakness?

Duchenne muscular dystrophy

Down syndrome

Sickle cell anemia

7 / 40

What is the inheritance pattern of cystic fibrosis?

Autosomal dominant

X-linked recessive

Autosomal recessive

8 / 40

Which disorder is caused by a defect in the dystrophin gene?

Sickle cell anemia

Hemophilia

Duchenne muscular dystrophy

9 / 40

Which genetic disorder results from the presence of an extra chromosome 13?

Down syndrome

Patau syndrome

Edward syndrome

10 / 40

What is the genetic cause of Rett syndrome?

Trisomy 13

Deletion on chromosome 7

Mutation in the MECP2 gene

11 / 40

Which genetic disorder results from an extra X chromosome in males?

Klinefelter syndrome

Down syndrome

Turner syndrome

12 / 40

What is the main symptom of galactosemia?

Inability to metabolize copper

Inability to metabolize iron

Inability to metabolize galactose

13 / 40

Which disorder is associated with a mutation in the NF1 gene?

Duchenne muscular dystrophy

Neurofibromatosis type 1

Marfan syndrome

14 / 40

Which disorder is caused by a mutation in the CFTR gene?

Cystic fibrosis

Huntington's disease

Marfan syndrome

15 / 40

Which disorder is associated with a deletion on chromosome 5?

Down syndrome

Edward syndrome

Cri-du-chat syndrome

16 / 40

What is the genetic cause of Tay-Sachs disease?

Deletion on chromosome 5

Trisomy 21

Mutation in the HEXA gene

17 / 40

What is the main characteristic of Huntington's disease?

Respiratory problems

Progressive brain disorder

Muscle weakness

18 / 40

What is the main symptom of Niemann-Pick disease?

Protein misfolding

Copper accumulation

Lipid accumulation in cells

19 / 40

What is the genetic basis of cystic fibrosis?

Mutation in the CFTR gene

Trisomy 13

Deletion on chromosome 5

20 / 40

Which genetic disorder results from a single X chromosome in females?

Turner syndrome

Down syndrome

Klinefelter syndrome

21 / 40

What is the characteristic feature of Marfan syndrome?

Neurological disorder

Connective tissue disorder

Blood clotting disorder

22 / 40

Which genetic disorder affects the nervous system and causes developmental delays?

Down syndrome

Hemophilia

Fragile X syndrome

23 / 40

What is the main characteristic of hemophilia?

Connective tissue disorder

Vision loss

Blood clotting issues

24 / 40

What is the inheritance pattern of neurofibromatosis type 1?

Autosomal dominant

Autosomal recessive

X-linked recessive

25 / 40

Which genetic disorder affects the production of melanin?

Albinism

Cystic fibrosis

Hemophilia

26 / 40

Which genetic disorder results in the loss of motor skills and mental abilities in children?

Down syndrome

Klinefelter syndrome

Tay-Sachs disease

27 / 40

Which genetic disorder is caused by a mutation in the HEXA gene and leads to neurological deterioration?

Sickle cell anemia

Tay-Sachs disease

Down syndrome

28 / 40

What is the inheritance pattern of Huntington's disease?

Autosomal dominant

Autosomal recessive

X-linked recessive

29 / 40

What is the inheritance pattern of hemophilia?

Autosomal dominant

Autosomal recessive

X-linked recessive

30 / 40

What is the primary symptom of phenylketonuria (PKU)?

Muscle degeneration

Intellectual disability

Blood clotting issues

31 / 40

What is the genetic cause of sickle cell anemia?

Trisomy 18

Deletion on chromosome 7

Mutation in the HBB gene

32 / 40

What is the genetic basis of Edward syndrome?

Trisomy 21

Trisomy 18

Monosomy X

33 / 40

Which disorder is characterized by the presence of three copies of chromosome 18?

Down syndrome

Edward syndrome

Turner syndrome

34 / 40

Which genetic disorder is associated with tumors along nerves?

Duchenne muscular dystrophy

Neurofibromatosis type 1

Marfan syndrome

35 / 40

Which disorder is caused by a mutation in the FGFR3 gene?

Cystic fibrosis

Achondroplasia

Huntington's disease

36 / 40

Which disorder is associated with a mutation in the FBN1 gene?

Huntington's disease

Marfan syndrome

Cystic fibrosis

37 / 40

Which genetic disorder is characterized by an extra copy of chromosome 21?

Klinefelter syndrome

Turner syndrome

Down syndrome

38 / 40

Which disorder is characterized by progressive brain disorder and typically manifests in mid-adulthood?

Cystic fibrosis

Duchenne muscular dystrophy

Huntington's disease

39 / 40

Which genetic disorder is caused by a mutation in the HBB gene and affects hemoglobin?

Sickle cell anemia

Tay-Sachs disease

Cystic fibrosis

40 / 40

What is the inheritance pattern of albinism?

Autosomal dominant

Autosomal recessive

X-linked recessive

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adminApril 3, 2024

0 28 2 minutes read