Genomics; The Study Of Whole Genomes Of Organisms, And Incorporates Elements From Genetics
Genomics |
Genomics
is a field of biology focusing on the structure, function, evolution, mapping,
and editing of genomes. It is a study of whole genomes of
organisms, and incorporates elements from genetics or it is the study of human
genes and chromosomes. Genomics is the study of the total or part of the
genetic or epigenetic sequence information of organisms, and attempts to understand
structure and function of these sequences and of downstream biological
products. The aim of genomics is to describe and understand the pattern of gene
expression.
Genome
is all of the genetic material in an organism. It is made of DNA (or RNA in some
viruses) and includes genes and other elements that control the activity of
those genes. Genomics
uses the combination of recombinant DNA, DNA sequencing methods, and
bioinformatics to sequence, assemble, and analyses the structure and function
of genomes. Genome is the entire set of DNA instructions found in a cell. In
humans, the genome consists of 23 pairs of chromosomes located in the cell's
nucleus, as well as a small chromosome in the cell's mitochondria.
Genomics
help to predict, diagnose and treat diseases more accurately and individually
than ever before. Many diseases, such as cancer, are
caused by alterations in human genes. Genomics help identify these alterations
and search for them using an ever-growing number of genetic tests. Using
genomic data, providers can identify patients who are at high risk of
developing certain conditions and better plan for treatments. A
positive result can direct individuals toward available prevention, monitoring,
and treatment options.
Genomic
information about cancer is leading to better diagnoses and treatment
strategies that are tailored to patients' tumors, an approach called precision
medicine. Several countries worldwide are extensively working towards or are
engaged in advance Genomics research
to understand rare diseases and to aid drug discovery. For instance, the Genome
of Europe is a multi-country project that is designed to bring together
European countries to build a high-quality European network of national genomic
reference cohorts.
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