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!

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Chromosomal Abnormalities MCQs | Page 4 of 9

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Discuss
Answer: (c).Two DNA strands with an inverted segment will not pair
Q32.
Consider this sequence Aβ€”Oβ€”B β€”Cβ€”Dβ€”Eβ€”F, be a DNA sequence where O is the centromere. Which of the following will be a pericentric inversion?
Discuss
Answer: (d).Aβ€”Oβ€”Eβ€”Dβ€”Bβ€”F
Q33.
______________ inversions reduce crossing over in ______________
Discuss
Answer: (b).Pericentric, Heterozygous
Discuss
Answer: (a).Two normal, one dicentric and one acentric chromosome
Q35.
In Drosophila Crossing over in paracentric region is lethal and leads to cross-over suppression. This leads to reduction in fertility.
Discuss
Answer: (b).False
Discuss
Answer: (c).Two events of crossing over take place
Discuss
Answer: (c).Double cross over in paracentric inversion is lethal
Q38.
In drosophila male there is no cross over suppression due to pericentric inversion as___________
Discuss
Answer: (c).They never recombine
Q39.
Which of the following is an example of inversion?
Discuss
Answer: (d).Chromosome 3
Q40.
In pericentric inversion, the inversion loop involves __________ strands.

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
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