Answer:
DISADVANTAGES
Embryonic stem cells can have high rejection rates
Adult stem cells have a determined cell type
Obtaining any form of stem cell is a difficult process
Stem cell treatments are an unproven commodity
Stem cell research is a costly process.
ADVANTAGES
can help enhance the growth of new healthy skin tissue, enhance collagen production, stimulate hair development after incisions or loss, and help substitute scar tissue with newly developed healthy tissue.
Where is the list that you want us to choose from?
C . More meat and laying many eggs
Answer:
The offspring carry two DNA strands one from father and one from mother. So theses old DNA carry trait with them as well.
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old.
