Gregor Mendel was successful in his analysis of the genetics of pea plants because
a. he examined and analyzed both the F1 and F2 generations.
b. he studied the parental plants to determine their differences.
c. pea plants have genetics different from other organisms.
d. he decided to only look at his results in an objective manner.
e. he studied a trait that had a strange inheritance pattern.
A; The key insight that Mendel had in his analysis was checking the offspring of the hybrids (the F2 generation) and using his mathematical skills to aid his interpretation.
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Which statement is true of angiosperms?
a. All edible fruit are produced by eudicots. b. There are only two major groups of angiosperms. c. They all belong to the phylum Anthophyta. d. All angiosperms have a major tap root.
At how many degrees north and south of the equator does air rise again as a result of different temperatures in air masses that meet?
a. 10 b. 30 c. 40 d. 60 e. 75
The science of reconstructing the evolutionary history of life is called
A) gradualism. B) taxidermy. C) biology. D) systematics. E) pre-adaptation.
Which of the following statements about schistosomiasis is FALSE?
A) The cercariae penetrate human skin. B) They symptoms are caused by immune reactions to the eggs shed in the human host. C) The intermediate host is an aquatic snail. D) It is caused by a roundworm. E) The female worm lives in a groove that runs down the body of the male.