What is most mostly to result immediately after a rainforest in brazil is clear -cut

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height