Table of Contents
How does sequencing contribute to understanding genetic disease?
Human traits and diseases caused by inherited genetic changes are often observed in specific patterns across a family. Sequencing and analyzing a human genome can identify these rare genetic changes that cause symptoms or increased risk for future disease.
How can you identify a specific gene sequence from genomic DNA sequence of an organism?
Evidence-based – this technique relies on evidence beyond the DNA sequence. It involves gathering various pieces of genetic information from the transcript sequence (mRNA?), and known protein sequences of the genome.
What can gene sequencing tell you?
The sequence tells scientists the kind of genetic information that is carried in a particular DNA segment. For example, scientists can use sequence information to determine which stretches of DNA contain genes and which stretches carry regulatory instructions, turning genes on or off.
How can the Human genome Project help our understanding of diseases?
With the HGP molecular medicine can improve diagnosis of disease, detect genetic predispositions to disease earlier, ration drug design, control gene therapy and control systems of drugs, and create pharamacogenomics customs drugs.
How has genomic research increased our understanding of human health and diseases?
Genomic medicine has the potential to make genetic diagnosis of disease a more efficient and cost-effective process, by reducing genetic testing to a single analysis, which then informs individuals throughout life.
What is DNA sequence used for?
DNA sequencing is a laboratory technique used to determine the exact sequence of bases (A, C, G, and T) in a DNA molecule. The DNA base sequence carries the information a cell needs to assemble protein and RNA molecules. DNA sequence information is important to scientists investigating the functions of genes.
Why is it possible to use a DNA sequence to identify bacteria?
The piece of DNA used for identifying bacteria is the region that codes for a small subunit of the ribosomal RNA (16S rRNA). Different bacterial species have unique 16S rDNA sequences. The identification relies on matching the sequence from your sample against a database of all known 16S rDNA sequences.
How do you find the genes in a DNA sequence program?
How to: Find transcript sequences for a gene
- Search the Gene database with the gene name, symbol.
- Click on the desired gene.
- Click on Reference Sequences in the Table of Contents at the upper right of the gene record.
How do you find the genes in a DNA sequence?
A computer program can be used to check an unknown DNA sequence for ORFs. The program transcribes each DNA strand into its complementary RNA sequence and then translates the RNA sequence into an amino acid sequence. Each DNA strand can be read in three different reading frames.