Consider this sequence A—O—B —C—D—E—F, be a DNA sequence where O is the centromere. Which of the following will be a pericentric inversion?

Consider this sequence A—O—B —C—D—E—F, be a DNA sequence where O is the centromere. Which of the following will be a pericentric inversion? Correct Answer A—O—E—D—B—F

Pericentric inversion is the inversion that doesn’t involve the centromere. Here in option A there is no change at all, option B and C are including the centromere. Only option D doesn’t involve the centromere in the inverted sequence, so it is pericentric.
Bissoy MCQ

Related Questions

Consider the following statements regarding centromere and choose the correct answer:
1. The position of the centromere is constant for a particular chromosome
2. The structure and function of the centromere are different from that of the rest of the chromosome
3. During division the centromere is functional, while the rest of the chromosome is genetically inactive
4. The position of the centromere varies in different chromosomes
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1. The very first requirement of DNA synthesis is the presence of a template or plan along which the new strand is to be constructed
2. The second requirement is of a DNA-dependent-DNA polymerase or simply DNA polymerase enzyme
3. A DNA Pol cannot join two free nucleotides; one of them must be anchored by hydrogen bonds to a DNA strand
4. Replication takes place bidirectionally
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2. Such DNA is found in the region of the chromosome adjacent to the centromere
3. It is easy to separate repetitive DNA by ultracentrifugation
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If crossing over occurs within the loop of a pericentric inversion, then the resulting chromatids have
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1. Identification and isolation of the genetic material.
2. Fragmentation of DNA.
3. Obtaining the foreign gene product.
4. Downstream processing.
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6. Isolation of desired DNA fragments.
7. Amplification of gene of interest.
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