Human Genome Flashcards
what is the human genome?
describes the total of all DNA sequences in a cell ( nuclear DNA + mitochondrial DNA)
Write out the human genome diagram
slide 4
what is a gene
a length of DNA that typically codes for the sequence of a specific proteins
when might a gene not code for a protein sequence
DNA to RNA where there is no expression, i.e rRNA and tRNA, whereas most of the time it is DNA -> RNA -> protein
what are the sequences in a gene called
introns and exons
what is an exon
has the DNA secquence for the protein product of the gene
what is an intron
sequences that must be spliced out before the biological info can be used to produce a protein
are introns transcribed during transcription
yes, everything is transcribed and then introns are spliced before RNA -> protein
what is the result of alternative splicing
where multiple proteins are produced from a single gene - combinations of different exons
