The answer to the question above is a cell.
No they can... But if you talk to your plants it helps they stay healthy because of the oxygen you are giving them.
Lisa and Shirley, because upbringing has more of an impact than genes
In the f2 generation of mendel's crosses, all plants had the dominant trait,all plants had both the dominant and recessive alleles. one in four plants had two alleles for the recessive trait.