Why is it important that scientific investigation be repeated? what happens when other scientists achieve different results when repeating an investigation?

How do you transfer mrna into codons ? i'm so confused : (

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.