One mechanism of genomic imprinting silences an allele by DNA ____
a. methylation
b. mutation
c. transposition
d. deletion
e. inversion
ANSWER: a
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In order to get around the lack of ability of prokaryotes to remove introns from precursor RNA, it may be necessary to
A. use the DNA directly. B. use the DNA after it has been processed. C. use different promoters. D. turn mRNA into cDNA. E. use the DNA directly AND use the DNA after it has been processed.
Crossing over mixes up _____
a. chromosomes that are not homologous pairs b. alleles on homologous pairs c. zygotes d. gametes e. sister chromatids
Which of the following methods uses gene cloning and genomic libraries?
A. Whole genome sequencing D. More than one of these B. Map-based sequencing E. None of these C. DNA base sequencing
The three domains of living organisms described by Carl Woese are:
A) plants, animals, bacteria B) archaea, bacteria, eukaryotes C) bacteria, viruses, eukaryotes D) aquatic, terrestrial, airborne E) prokaryotes, eukaryotes, archaea