Which is a group of tissues that work together to carry out a common function?

cell
organ
organelle
organ system

Did you know that a blue wales tongue weighs more than an elephant?

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.