Chromosomes and DNA Replication 12-2 Chromosomes and DNA Replication

Chromosome Structure Eukaryotic chromosomes contain both DNA and protein, tightly packed together to form a substance called chromatin The protein is called a histone

DNA Replication 3 steps DNA unzips and forms two strands New nucleotides fill in the space to form new strands Each strand is completely filled in to form two identical strands of DNA

DNA Polymerase DNA polymerase is the main enzyme involved in DNA replication

DNA replication video