Sickle-cell disease is more common among people who are of African rather than European descent
Indicate whether the statement is true or false
TRUE
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Muscles that can be controlled and precisely and delicately have few muscle fibers in each motor unit
Indicate whether the statement is true or false.
Hominines include
A. humans, chimpanzees, and gorillas. B. humans, gorillas, and orangutans. C. orangutans, chimpanzees, and gorillas. D. humans, gibbons, and orangutans. E. gorillas, gibbons, and orangutans.
Which of the following occurs during
metamorphosis? a. remodeling of tissues. b. juveniles become adults. c. changes in lifestyle. d. changes in body form. e. all of the above.
Sex chromosomes do all of the following EXCEPT
a. determine gender. b. vary from one sex to another. c. carry some genes that have nothing to do with sex. d. appear in a diploid cell as either XX or XY. e. appear in a haploid cell as either XX or XY.