Earlobe attachment is an example of ____
a. pleiotropy
b. polygenic traits
c. codominance
d. continuous variation
e. multifactorial traits
ANSWER: d
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The first adult animal to be cloned was a ____
a. sheep b. horse c. goat d. dog e. cat
Cotransductants can be detected when the transduced genes are
A) closely linked. B) far apart on the same chromosome. C) on different chromosomes. D) mutant. E) Both B and D
The 3? end of eukaryotic pre-mRNAs are changed by:
a. removing the last phosphate group. b. adding a "cap." c. copying the last few bases so that it can form a duplex structure. d. adding 100?250 adenine nucleotides. e. phosphorylation of the mRNA molecule
The NADPH required for carbon dioxide fixation during the Calvin cycle is formed
A) only in C4 plants. B) by the reduction of oxygen. C) during the light reactions. D) in the mitochondria. E) by the hydrolysis of ATP.