Embryonic stem cells can be grown relatively easily in culture. Adult stem cells are rare in mature tissues, so isolating these cells from an adult tissue is challenging, and methods to expand their numbers in cell culture<span> have not yet been worked out. This is an important distinction, as large numbers of cells are needed for stem cell replacement therapies.</span>
Answer:
A
Explanation:
Because its not low it be high
Answer:
It ensures greater accuracy in your observations.
meiosis produces gametes.