FRIEDRICH SAURER / SCIENCE PHOTO LIBRARY FRIEDRICH SAURER / SCIENCE PHOTO LIBRARY
Chromosome, computer artwork. Chromosomes are a packaged form of the genetic material DNA (deoxyribonucleic acid, brown strands). The DNA condenses into chromosomes during cell replication for ease of division and transport into the new cell. Each chromosome consists of two identical strands (chromatids), aligned parallel to each other and joined at an area called a centromere.
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