MCQs || B21

RAS mutations in cancer and Charcot-Marie-Tooth Disease (CMT) are examples of…

Which of the following phenomena is commonly observed in dimers or multimers, such as structural proteins like collagen, and can result in conditions like osteogenesis imperfecta?

Sickle cell anemia and cystic fibrosis are examples of ….

A frameshift occurs if the number of nucleotides is not a multiple of 3

Which of the following terms is used to describe genetic variations that are associated with normal phenotypic differences between individuals or do not affect the phenotype?

Which of the following is the most common type of epigenetic modification?

Process that affects gene expression without changing the underlying DNA sequence and inherited by daughter cells .

Mechanisms that change the chromatin structure to regulate gene expression are known as:

Which of the following genetic abnormalities is associated with aniridia (absence of the iris of the eye) despite no mutation in the PAX6 gene?

Which of the following abnormalities is associated with a defect repressor 

any protein required to initiate or regulate transcription (Except RNA polymerase)…

Genes that control cellular processes necessary for all cells, such as transcription and metabolism, are expressed in all cells and called

All cells in the body contain the same genetic material (DNA) and express the same set of genes

Microsatellites are commonly used for which of the following

The coding regions of the nuclear DNA called.. 

The first level of folding of DNA requires which of the following

DNA is found…

A nucleoside is composed of: