A single nucleotide polymorphism, or SNP, results from a mutation that causes changes to just a single base pair of DNA. Which one of the following statements is true about SNPs?
A. SNPs can be associated with certain
diseases, such as Parkinson's disease.
B. SNPs can be associated with certain
physical traits, such as baldness.
C. SNPs can reveal a person's ancestry.
D. SNPs can be detected by DNA
microarrays.
E. All of the answer options are true about
SNPs.
E
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_____ was the first hominin to leave Africa and did so around _____ million years ago
A. Homo ergaster (H. erectus); 2 B. Ardipithecus ramidus; 4 C. Australopithecus afarensis; 3.2 D. H. neanderthalensis; 0.6 E. H. habilis; 1.7
Neisseria gonorrhoeae are present in the vaginal compartment with nonpathogenic commensal Neisseria spp. When the patient's system begins to attack the pathogenic species, some of the cells autolyze releasing their genetic material into the environment. Other Neisseria species are then capable of taking up the DNA from the organisms that have autolyzed altering their genetic makeup and changing
their pili protein structure. This process can be described as: a. competent cells being transformed by ge-netic recombination. b. bacteria ingesting DNA and using the in-formation for transcription. c. mutation of the pathogenic organisms re-sulting in enhanced infection. d. transformation and genetic recombination resulting in expression of new pili proteins to evade the immune system.
FISH distinguishes chromosomes by using more than one fluorescent-tagged RNA strand, which will bind to
complementary DNA sequences on a specific chromosome. _________________ Indicate whether the statement is true or false.
Which type of mutation results in the addition of one wrong amino acid as a result of one base replacing another in a DNA sequence
What will be an ideal response?