Genetics
is a branch of biology concerned with the study of genes, genetic variation,
and heredity in organisms.
Definition: Genomics
is an multidisciplinary branch of biology focusing on the study the entire set
of genes (genome)
in an organism. You can watch the video also on Genetics vs genomics for better understanding
Genetics
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Genomics
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Genetics is the study of single genes
and their heredity and variation in organisms
|
Genomics is the study of all genes (the
genome) of a person or an organisms,
including interactions of those genes with each other and with the
person's/organisms environment.
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Genetics is often a
study of single gene or a few gene and their effects
|
Genomics is the study
of complex diseases caused by multiple genes and environmental factors
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Genetics is a classical
branch of biology dates back to Mendel’s work on pea plants during early
1800, but rediscovered only during 1900.
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Genomics is a much
newer field flourished within last two decades due to technical advances in
DNA sequencing and computational biology.
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In
1906, William Bateson coined the term
“genetics” for the discipline of biology specifically dedicated to
study heredity and variation.
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The
term genomics was coined in 1986 by Tom Roderick, a geneticist at the Jackson
Laboratory in Maine, during a meeting about the mapping of the human genome.
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Examples of genetic or inherited
disorders include cystic fibrosis, Huntington's disease etc caused by
mutation in a single gene
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Genomics includes the scientific study
of complex diseases such as heart disease, obesity, asthma, diabetes and
cancer. (Multi gene diseases)
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Primarily focussing on the study and
treatment of single gene inherited disorders
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Primarily focussing on the study and
treatment of complex diseases caused by multiple genes and environmental
factors
|
Genetics uses crossing,
genomic mutation, recombination etc to study a trait associated with a gene
|
Genomics uses a
combination of recombinant DNA, DNA sequencing methods, and bioinformatics to
sequence, assemble and analyze the structure and function of genomes.
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Reference:
https://www.genome.gov/about-genomics/fact-sheets/Genetics-vs-Genomics
https://www.ebi.ac.uk/training/online/course/genomics-introduction-ebi-resources/what-genomics
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