Muscular dystrophy _____
a. is a genetic disorder
b. is a type of food poisoning
c. can be prevented with a vaccine
d. is caused by a virus
e. both can be prevented with a vaccine and is caused by a virus
A
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Answer the following statements true (T) or false (F)
1. All human warts are caused by viruses in the genus Papillomavirus. 2. Chickenpox and shingles are caused by the same virus. 3. Koplik spots are a sign of smallpox. 4. Mumps is a rather mild disease, without any serious complications. 5. West Nile virus is most commonly transmitted by tick bite.
Your mother has albinism, which is a recessive trait. You learn that your spouse's mother also has albinism. Neither
you nor your spouse have albinism. What are the odds that your first child will have albinism?
a. 0 b. 1/4 c. 1/2 d. 3/4 e. 1
What term describes an exotic species that thrives in a new habitat and quickly threatens the existing environment?
a. a pest species b. a keystone species c. an advanced predator species d. an invasive species
Which of the following best describes mollusks?
A) They have radial body symmetry and a soft body always covered with a shell. B) They are bilaterally symmetrical and have a soft body always covered with a shell. C) They have radial body symmetry and a soft body sometimes covered with a shell. D) They are bilaterally symmetrical and have a soft body sometimes covered with a shell.