Prepare for NEET Biology Molecular Basis of Inheritance (Mutations) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert guidance to analyze point mutations, frameshifts, and their effects.
NEET Questions / Botany / Molecular Basis of Inheritance / Mutations
A mutation changes a codon from UAU (Tyrosine) to UAC (Tyrosine). This is an example of which type of mutation?
Missense mutation
Nonsense mutation
Frameshift mutation
Silent mutation
Sickle cell anemia is caused by a mutation that substitutes valine for glutamic acid. This is an example of:
Nonsense mutation
Frameshift mutation
Silent mutation
Missense mutation
Chromosomal mutations involving changes in the number of chromosomes are known as:
Gene mutations
Point mutations
Frameshift mutations
Ploidy mutations
Which of the following best describes a mutation?
A slow change in the RNA sequence of an organism
A sudden change in the DNA sequence of an organism
A change in the protein structure of an organism
A change in the phenotype of an organism caused by environmental factors
A point mutation involves:
A change in a whole chromosome
A change in a single nucleotide
The deletion of a whole gene
The duplication of a whole gene
A mutation that results in a stop codon being introduced prematurely is called a:
Missense mutation
Silent mutation
Frameshift mutation
Nonsense mutation
Which technique is used to visualize the location of a radioactive probe after it has hybridized to a specific DNA sequence in a cell?
PCR
Electrophoresis
Autoradiography
Microscopy
Mutations, which alter nucleotide sequence within a gene are
Frameshift mutation
Base pair substitutions
Both (1) and (2)
None of these
Mutations, which alter nucleotide sequence within a gene are
Frameshift mutation
Base pair substitutions
Both (1) and (2)
None of these
Mutation is due to?
loss of a segment of DNA
gain of a segment of DNA
change in a single base pair of DNA
all of these
