Chromosomal Abnormalities MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chromosomal Abnormalities, a fundamental topic in the field of Cytogenetics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chromosomal Abnormalities MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chromosomal Abnormalities mcq questions that explore various aspects of Chromosomal Abnormalities problems. Each MCQ is crafted to challenge your understanding of Chromosomal Abnormalities principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Cytogenetics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chromosomal Abnormalities MCQs are your pathway to success in mastering this essential Cytogenetics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chromosomal Abnormalities. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chromosomal Abnormalities knowledge to the test? Let's get started with our carefully curated MCQs!

Chromosomal Abnormalities MCQs | Page 6 of 9

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Q51.
Deletion in sex chromosome is better tolerated than that in autosome.
Discuss
Answer: (a).True
Discuss
Answer: (c).Terminal break will be sticky
Discuss
Answer: (d).No effect
Q54.
You hybridize two cells one of which carries a deletion mutation on chromosome 1. What will you expect to observe?
Discuss
Answer: (b).Buckling of chromatin of 2nd cell
Q55.
Which of the following is not a possible cause of lethality of individuals carrying a deletion mutation?
Discuss
Answer: (d).Lack of diversity
Q56.
The appearance of a recessive phenotype due to deletion of dominant gene is called_______________
Discuss
Answer: (b).Pseudo dominance
Q57.
You generate a fluorescent probe against a gene that has been deleted. You expose the DNA to the probe and observe it under fluorescent microscope. What will you see?
Discuss
Answer: (d).Nothing is seen under fluorescence microscope
Q58.
Deletions in chromosomes give the following data-

Region of deletion Gene A activity

A1 +++

A2 ++

A3 +

A4 +++

A5 +++

Where is the gene located?
Discuss
Answer: (b).Within A2 and A3
Q59.
Deletion of a region led to over expression of a gene X. What do you conclude from this observation?
Discuss
Answer: (c).Regulator of gene X is deleted
Q60.
Yellow colour of mouse is generated by _________ mutation.
Discuss
Answer: (b).Deletion
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