Explore topic-wise MCQs in Cytogenetics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.

1.

If the XIC passes to chromosome 3 in a human what will be the result?

A. Chromosome 3 will have one more protein to express
B. Human race will divide into two species
C. Chromosome 3 will be inactivated
D. There will be sticking of chromosome 3 with other chromosomes
Answer» D. There will be sticking of chromosome 3 with other chromosomes
Discussion
2.

Positive effect Variegations can lead to___________

A. Translocation
B. Over expression
C. Under expression
D. Suppression
Answer» E.
Discussion
3.

There are two chromosomes 1- A B C D E and 2- F G H I, if A B C and F G undergo reciprocal translocation what will not be true?

A. New sequence at 1 will be C D E F G
B. The 1 will then pair with both 1 and 2
C. Pairing will be between same gene loci only
D. 2nd chromosome will become longer
Answer» B. The 1 will then pair with both 1 and 2
Discussion
4.

If a part of the chromosome was transferred to a non-homologous chromosome say 1 to 1 . Then which of the following is not true?

A. The pairing in meiosis will be affected
B. The chromosome will be torn apart while segregation
C. In most of the cases, the resultant gamete will be non-viable
D. The pairing will be between 4 homologous chromosomes
Answer» C. In most of the cases, the resultant gamete will be non-viable
Discussion