Author Question: The only current source of stem cells is embryonic stem cells, which are usually at the blastocyst ... (Read 175 times)

EY67 · **on:** Jun 22, 2018

The only current source of stem cells is embryonic stem cells, which are usually at the blastocyst stage of development.

a. True
b. False
Indicate whether the statement is true or false

Question 2

If the concordance rate for a psychological disorder is 60 percent, this means that genetics determine 60 percent of a person's risk and the environment contributes the other 40 percent.

a. True
b. False
Indicate whether the statement is true or false