Flashcards in Coding and Non-coding DNA Deck (5)
How much of the DNA in a eukaryotic cell is coding DNA?
A lot of DNA does not code for polypeptides.
What are non-coding regions of DNA between a gene called?
What does satellite DNA contain?
Simple base sequences repeated many times.
Name some functions of non-coding DNA?
Structural - helping to coil DNA molecule into chromosomes.
Controls function - regulating when genes are expressed.
Involved in DNA replication.
Contains unused copies of genes.