The agricultural research facility during a research accidentally changed the dna sequence of a wheat plant from gccatgtt to gcgtactt and this mutation resulted in a stronger plant variety. what kind of mutation did the plant undergo?

a) inversion
b) substitution
c) insertion

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters