12 Questions
What is a mutant gene?
A gene with an inheritable different sequence compared to the normal gene
Which statement about mutations is true?
The vast majority of mutations are neutral to the organism
What are the building blocks of DNA strands known as?
Nucleotides
What are the nitrogen-containing nucleobases found in DNA?
Cytosine, Guanine, Adenine, Thymine
Which type of cells need a mutation to be present to be inheritable?
Germline cells (meiotic)
What are static mutations?
Mutations that become a stable part of the germline and all somatic cells except RBCs
Which type of mutation involves a change in the number of nucleotides, leading to a shift in the reading frame?
Frameshift
What is the term used to describe a mutation that results in a premature stop codon, leading to a truncated protein?
Nonsense mutation
In the context of dynamic mutations, what is the significance of trinucleotide repeats (TNR)?
They increase in severity with each generation due to an increasing number of repeats.
What is the term used to describe a mutation that does not affect the functionality of the resulting protein?
Silent mutation
Which type of mutation is characterized by a change in the protein's function at specific temperatures?
Temperature-sensitive mutation
What is the term used to describe a mutation that only affects the organism under certain environmental conditions?
Leaky mutation
Test your knowledge on mutations and DNA structure. Learn about different types of mutations, their inheritability, and the composition of DNA strands with nucleotides and nucleobases.
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