Marsupials are distinguished by
A. a marsupium.
B. mammary glands.
C. opposable thumbs.
D. nails.
A. a marsupium.
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An eccentric fragment is one result of crossing-over between a normal chromosome and a chromosome that has undergone what kind of mutation?
A) parametric inversion B) duplication C) reciprocal translocation D) eccentric inversion
A type of horizontal gene transfer in prokaryotes, in which a cell receives bacterial DNA from a bacteriophage, is
A. fixation. B. transformation. C. replication. D. transduction. E. conjugation.
__________ is thought to be due to increased homozygosity
a. The founder effect b. Genetic drift c. Inbreeding depression d. Heterozygote advantage e. Gene flow
The preference of a pathogen for a specific host is
A) opportunism. B) pathogenicity. C) tropism. D) virulence. E) dysbiosis.