A mutation changes a codon from UCG to UAG. This mutation is a:
Missense mutation
Silent mutation
Frameshift mutation
Nonsense mutation
Related Questions
Which of the following statements accurately describes a characteristic of homologous chromosomes?
They carry genes for the same traits at corresponding loci.
They are identical copies of each other.
They are always inherited from the same parent.
They are only present in somatic cells.
The exchange of genetic material between non-sister chromatids of homologous chromosomes is known as:
Independent assortment
Synapsis
Crossing over
Random fertilization
If a molecule is to function as hereditary material, it must NOT be:
Able to undergo mutations
Chemically stable
Capable of replication
Structurally complex and irregular
Which property is NOT essential for a biomolecule to act as genetic material?
Able to replicate accurately
Capable of storing information
Susceptible to mutations
Completely chemically inert
Genetic material in most of the organisms?
DNA
RNA
Both
None
Genetic material in most of the organisms?
DNA
RNA
Both
None
If two homologous chromosomes possess different alleles for eye color, what is the relationship between these chromosomes?
They are non-homologous chromosomes.
They are sister chromatids.
They are homologous chromosomes with different alleles for the eye color gene.
They are sex chromosomes.
‘It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material’. This is written by
Meselson and Stahl
Archibold Garrod
Severo Ochoa
Watson and Crick
Chemical basis of heredity is?
DNA
RNA
Histones
None
During which stage of meiosis do homologous chromosomes pair up?
Prophase II
Metaphase I
Anaphase I
Prophase I
