Most genes come in alternative forms called

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

The body is protected against harmful flu viruses by

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above