Reduced quantity of red blood cells results in ____
a. ventricular fibrillation
b. hypertension
c. leukemia
d. anemia
e. a stroke
ANSWER: d
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Paleobiologists apply the ____ species concept to identify fossilized remains
a. phylogenetic b. paleontological c. genomic d. biological e. morphological
Why are men much more likely to be born with red-green color blindness, hemophilia, or Duchenne muscular dystrophy?
a. These conditions are not expressed in women due to their sex organ differences. b. These conditions travel only in the paternal line of inheritance. c. These conditions are carried on the X chromosome. d. These conditions are only caused by mutations due to exposure to particular toxins.
Elephants can live for between 50 and 70 years
and a cow (female elephant) typically gives birth to 3 or 4 calves. What type of survivorship curve applies to them?
a. type I b. type II c. type III d. none of these types e. more than one of these types
Which phrase best describes sister chromatids?
a. two chromosomes having an identical DNA sequence b. two chromosomes having different alleles of the same genes arranged in a different order c. two chromosomes having the same alleles of the same genes in a different order d. two chromosomes having the same genes in the same order, but having different alleles