What will be the effect of the deletion mutation of a gene at the telomere?(a) Organism will dye(b) Organism will develop serious hazards due to absence of the gene and its product(c) Mild effect on the phenotype(d) No effectI had been asked this question during an internship interview.This intriguing question originated from Chromosomal Abnormalities : Deletion topic in section Chromosomal Basis of Inheritance of Cytogenetics

What will be the effect of the deletion mutation of a gene at the telo

1.	What will be the effect of the deletion mutation of a gene at the telomere?(a) Organism will dye(b) Organism will develop serious hazards due to absence of the gene and its product(c) Mild effect on the phenotype(d) No effectI had been asked this question during an internship interview.This intriguing question originated from Chromosomal Abnormalities : Deletion topic in section Chromosomal Basis of Inheritance of Cytogenetics
Answer» RIGHT choice is (d) No effect Easy explanation: The GENES at the TELOMERE are silenced, and never expressed. It is in form of heterochromatin inaccessible to the transcription machinery. Thus, deletion of a gene that wasn’t expressed to start with doesn’t make MUCH difference.

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