Fingerprint pattern is inherited, but also affected by the environment. An example of how the environment naturally can alter fingerprint pattern is
A) a criminal taking off the fingertip skin with acid.
B) a fetus touching the developing toe and finger pads to the wall of the amniotic sac.
C) a person developing skin disorders.
D) the fingertips rubbing away from too much computer use.
B) a fetus touching the developing toe and finger pads to the wall of the amniotic sac.
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How do the structures in primary endosymbiotic algae (i.e. true algae) facilitate its growth in aquatic environments? How is the cell wall of these algae similar or different from the cell wall of plants?
What will be an ideal response?
Why are corneal transplants so successful?
a. Corneas of all individuals tend to display the same MHC antigens. b. The corneas of pigs are so similar to those of humans, xenotransplantation is almost always successful. c. Doctors have perfected the technique for transplanting corneas. d. The tissue is not exposed to lymphocytes. e. There are numerous donors of corneas, so the success rate of transplantation is high.
Animals that swim about freely are
A. plankton. B. benthic. C. nekton. D. zooplankton.
In the black bread mold, zygospore production begins with development of hyphal branches whose cytoplasm is isolated from the rest of the mycelium by cross walls. These structures are known as
a. asci b. basidia c. gametangia d. conidia e. sporangia