NEET Botany Molecular Basis of Inheritance Mutations MCQs

A point mutation that changes a codon specifying an amino acid into a stop codon is called a:

Which of the following mutations is MOST likely to have a drastic effect on the protein product?

Sickle cell anemia is caused by a mutation that substitutes valine for glutamic acid. This is an example of:

Which type of mutation involves the addition or deletion of one or two nucleotides, leading to a shift in the reading frame?

A mutation that changes a codon from UUU (phenylalanine) to UUC (phenylalanine) is a:

Chromosomal mutations involving changes in the number of chromosomes are known as:

When gene targeting involving increasing the number of copies of a specific gene is performed in a patient's tissue to treat a disease, it is known as:

In gene therapy, the introduction of extra copies of a functional gene into a patient's cells to compensate for a defective gene is called:

Which gene therapy strategy involves increasing the copy number of a functional gene within a patient's cells to treat a genetic disorder?

Gene therapy aimed at amplifying the expression of a specific gene by introducing multiple copies of it into a patient's cells is referred to as: