Four of the five genotypes listed below are purebreeding
Select the exception.
a. AA BB
b. Aa BB
c. AA bb
d. aa BB
e. aa bb
Answer: b
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When artificial methods are used to modify living organisms to produce new compounds or perform new functions, what is this process called?
a. bioremediation b. bioradiation c. biotechnology d. biotechnicality
Which of the following statements is(are)
generally TRUE of pigments? a. They absorb some photons. b. They reflect all photons. c. They absorb photons of all colors. d. They absorb photons of all wavelengths. e. They do all of these
Which of the following statements regarding lateral gene transfer is INCORRECT?
a) Lateral gene transfer increases the genetic variability of species. b) Lateral transfer makes it difficult to identify the boundaries of different bacterial species. c) With the exception of the endosymbiosis events that gave rise to mitochondria and chloroplasts, lateral gene transfer does not occur in eukaryotes. d) Lateral transfer can occur through the ability of some species to absorb naked DNA fragments from the environment. e) Lateral gene transfer is rarely mediated by viral infections.
If an epidemic is confined to a local area, it is usually called
A. an opportunistic infection. B. a chronic infection. C. an outbreak. D. a pandemic. E. a slow infection.