A mutation results in a gene product with a novel function that is not normally found in wild-type organisms. This type of mutation is known as __________
A) amorphic
B) hypomorphic
C) hypermorphic
D) neomorphic
E) dominant negative
D
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Retroviruses have a unique enzyme that
A. disintegrates host DNA. B. polymerizes host DNA. C. transcribes viral RNA to cDNA. D. translates host DNA. E. repairs viral DNA.
Loss-of-function mutations eliminate the function of a gene product and may be dominant or recessive
Indicate whether the statement is true or false
Within a differentiated B cell, the rearrangement of DNA sequences between variable regions and joining regions is accomplished by a(n)_____
A) RNA polymerase B) reverse transcriptase C) epitopase D) recombinase
In sweet peas, dominant alleles C and P are necessary for colored flowers. In the absence of either (__ pp or cc __) or both (cc pp), the flowers are white. A cross between a plant with colored flowers and a plant with white flowers that produced 38 plants with colored flowers and 42 plants with white flowers could be written as _______.
Fill in the blank(s) with the appropriate word(s).