Sometimes the DNA marker allele and a QTL occur together more frequently than would otherwise be expected, either because they interact or because of natural selection. What term describes this?
What will be an ideal response?
linkage disequilibrium
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Paranoid delusions and auditory hallucinations are associated with
a. Alzheimer's disease. b. Parkinson's disease. c. schizophrenia. d. autism. e. Creuzfeldt-Jakob disease
What does this figure indicate?
A) Species abundances have dramatically declined. B) Species richness has dramatically declined. C) Species have moved higher in elevation over time. D) Species have moved lower in elevation over time.
Most bacteria can reproduce very quickly, so their populations increase rapidly. Describe the evolutionary process that prevents most human-disease-causing bacterial parasites from causing the human population to become extinct
What will be an ideal response?
Which of the following statements regarding Down syndrome is false?
A) Trisomy 21 is the cause of Down syndrome. B) Down syndrome is the most common serious birth defect in the United States. C) People with Down syndrome usually have a shorter life span than normal. D) Down syndrome is least likely to be seen in the infants of mothers over 40.