U1 - The Genome Flashcards
1
Q
what is the genome?
A
the sum total of all hereditary information in an organism
2
Q
describe the structure of the genome
A
the genome is made up of coding regions (genes) and non-coding regions. less than 2 percent of the genome codes for protien.
3
Q
what is a gene?
A
a sequence of DNA which codes for the production of a protein
4
Q
what do the non-coding regions of DNA do?
A
Some non-coding sequences are involved in regulating transcription. some are transcribed to RNA but are never translated into protein (e.g. rRNA, tRNA). many non-coding sequences have no known function.
