The multiple effects of a single gene on the phenotype of an organism is called _______
A. epistasis
B. penetrance
C. expressivity
D. overdominance
E. pleiotropy
E
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A transgene is a
A) hybrid gene. B) gene that contains no introns. C) bacterial gene that is found in mammalian cells. D) human gene of viral origin. E) gene introduced into an organism by artificial means.
The state of torpor caused by lack of food or water during periods of high temperature is called:a
acclimatization. b. hibernation. c. conformation. d. estivation. e. integration
What is a unique feature of some New World monkeys that Old World Monkeys do not have?
a. long limbs b. four footed c. prehensile tail d. opposable thumb e. nostrils directed downward
You are viewing an image from a microscope in which the specimens in the smear have more than one color. You are probably looking at
A) a smear stained with a differential stain. B) a specimen stained with various fluorescent molecules. C) a scanning tunneling micrograph. D) a specimen on a dark-field microscope. E) either a specimen stained with a differential stain or fluorescent molecules.