Emily enjoys experimenting with color changing lizards. she places a green lizard on a brown background and a brown lizard on a green background. emily knows the green lizard should turn brown and the brown lizard should turn green. neither lizard changes color.

what may have caused emily's results?
a. other factors may be affecting the color change like fear or temperature.
b. the lizards had to choose to move to the new background for the effect to take place.
c.
more time should be allotted to allow for the color change to take place.
d. the backgrounds may have been the wrong shade of color for these specific lizards.

One of the newest applications of cell technology is called cybrid embryos. this process involves replacing the nuclear material of an animal cell with human nuclear material. how might this process affect public policies about research by using stem cells? the same policies and concerns about the use of human embryonic stem cells would most likely apply. the embryos would most likely be treated like traditional animal embryos and regulated accordingly. the process of forming cybrid embryos would most likely be banned by government regulators. the embryos would be treated as regular cells because they are not fully human in origin.