Microarrays can be used to detect which one of the following? (Choose all that apply)
A. single nucleotide polymorphisms
B. copy number variation
C. restriction fragment length polymorphisms
D. variable number tandem repeats
A,B
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Which statement about sex chromosomes is correct?
a. The Y chromosome carries a greater number of genes for nonsexual traits than does the X. b. X and Y are different in size but carry nearly equal numbers of genes. c. The X chromosome carries more genes for nonsexual traits than does the Y. d. The X chromosome carries only gender-related genes. e. The X chromosome carries the SRY gene.
The purpose of the ENCODE study is to identify the functional regions of the human genome. Indicate whether the statement is true or false
Which wavelengths are absorbed by the ozone layer high in the atmosphere?
a. visible wavelengths of electromagnetic radiation b. longer wavelengths of electromagnetic radiation c. any wavelength of electromagnetic radiation d. shorter wavelengths of electromagnetic radiation
Lake Victoria is famous for its variety of cichlid fishes. In fact, they offer the most diverse assembly of vertebrates presently known to science. One trait that scientists have focused on as one possible reason for their adaptability is
A. a second set of scales that lie beneath the top outermost scales. B. gill arches that are not covered by an operculum, which prevents hiding places for gill parasites. C. digestive tracts that are able to process most substrates, which has eliminated the need for feeding specialization. D. ability to change color in relationship to their environment. E. a second set of jaws in their throats.