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How many chromosomes does corn have?

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Corn, also commonly known as "maize," is made up of 10 chromosomes. These chromosomes contain approximately 32,000 genes, compared to just 20,000 genes in human DNA.

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The genetic makeup of corn contains approximately 2 billion bases of DNA, according to a 2009 article in ScienceDaily. Like other plants, corn has more than one genome; corn has two separate genomes with four copies of its genes. The DNA sequencing project to examine the genetic properties of corn began in 2005. A variety of corn classified as B73, known for high grain yields, was sequenced at Washington University's Genome Center. In 2009, corn was the largest plant genome to be sequenced.

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