The process of independent assortment refers to
A. the random meeting of an egg and sperm.
B. the random choice of which cell in germ-line tissue will begin meiosis.
C. whether sexual or asexual reproduction will occur.
D. the orientation of homologous chromosomes at metaphase I.
E. the orientation of chromosomes at metaphase II.
Answer: D
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Which of the following is the best example of a hypothesis?
a. Evidence of moral failure is increasing in the world. b. Copying someone else’s homework will result in failing the class. c. Incidence of teen pregnancy has increased since 1999 in the United States. d. Eating too many hamburgers will make you fat.
Primary carnivores are
a. tertiary consumers in the second trophic level. b. secondary consumers in the third trophic level. c. secondary consumers in the second trophic level. d. tertiary consumers in the fourth trophic level. e. secondary consumers in the first trophic level.
The gross reproductive rate is
A) the total number of offspring born to a population. B) the total number of offspring born to a population each year. C) the average number of female offspring born in a year. D) the average number of female offspring born to her over her lifetime.
The sequence of amino acids in a protein is its ________ structure.
A. hepternary B. tertiary C. quaternary D. primary E. secondary