If the dna sequence reads tat, what is the mrna codon?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady