Question

During DNA replication in a human liver cell, DNA polymerase mistakenly adds a guanine (G) nucleotide instead of an adenine (A) nucleotide to a newly made strand of DNA in a gene that codes for a protein.

asked Nov 15, 2023 172k views

During DNA replication in a human liver cell, DNA polymerase mistakenly adds a guanine (G) nucleotide instead of an adenine (A) nucleotide to a newly made strand of DNA in a gene that codes for a protein. This mutation occurs in a protein-coding region of the gene and is not repaired by the cell. Based on this information and your knowledge about biology, select true or false for each of the following statements.

a) T/F This mutation will likely not change the sequence of the mRNA produced from this gene.
b) T/F This mutation will likely be copied into the DNA of other existing neighboring liver cells.
c) T/F More proteins produced from this gene will be affected by this mutation than if a similar mistake had occurred during mRNA synthesis.
d) T/F This mutation represents an effort by the cell to adapt to altered environmental conditions.
e) T/F Cells derived from this liver cell will likely contain this mutation on both the maternal and paternal versions of this gene.