A portion of a microarray is shown above in which the expression of genes on human chromosome 21 was examined in normal brain cells (cDNAs labeled with a white fluor) or brain cells from an individual with a neurological disorder (cDNAs labeled with a black fluor) .
Which genes are over-expressed in the abnormal cells compared to the normal cells?
Definitions:
Pesticides
Chemical substances used to eliminate or control pests, including insects, weeds, and diseases, in agricultural and residential settings.
Imported Food
Food products that are produced in one country and then transported and sold in another, often raising concerns about food miles and sustainability.
Genetic Mutations
Changes in the nucleotide sequence of the genetic material of an organism, which can result in variation within the population and can be heritable.
Low Levels
Conditions or quantities that are significantly less than the average or expected amount.
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