Why are mutations in DNA repair genes the most harmful to the cell?
What will be an ideal response?
Answer:
Without DNA repair, mutations will accumulate in the cell rather than be repaired.
Chances increase that a gene controlling the cell cycle will be damaged, which can lead to cancer.
You might also like to view...
Why don't all animals that group hunt show the same evolutionary trajectory?
What will be an ideal response?
An emu is a flightless bird that still has wings. These wings are an example of
A) mutation. B) adaptation. C) analogous structures. D) homologous structures. E) vestigial structures.
Which of the following elements is often growth limiting for organisms because of its limited availability?
a) oxygen b) hydrogen c) nitrogen d) carbon
As replication proceeds in a prokaryotic cell, how many replication forks exist on one chromosome?
A) 1 B) 2 C) 3 D) 4 E) 5