The answer to your question is fish
<span>They are misleading, because dominant alleles do not dominate or prevent recessive alleles from doing a job. Also, one allele can be considered dominant in one regard and recessive in another. It just depends on what you are trying to do with it.</span>
First they don't use oxygen, plants use the CO2 in the air and release oxygen out into the air after the plant used up the CO2