What is one bioethical concern with using embryonic stem cells for regenerative medicine?

a)stem cells must always be provided by a donor who is financially compensated.
b)stem-cell therapy does not have a long history of research and development.
c)stem-cell therapy results in greater rejection rates than traditional organ transplants.
d)stem-cell therapy is more invasive than traditional organ transplants.

What is the difference between sex-linked traits and autosomal traits in humans? a. sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex. b. sex-linked traits are passed on through the x and y chromosomes, while autosomal traits are passed on through the other 22 chromosomes. c. sex-linked traits only affect females, while autosomal traits affect both males and females. d. sex-linked traits refer to genes that are on the x and y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.