Vocabulary is an important part of English that helps you deal with all kinds of questions in objective as well as descriptive papers of various exams. You can learn new words daily from our Daily Word List. Learn the words and make your own sentences on the basis of the given word list. Here are a few words from The Hindu.
In 1865, Gregor Mendel discovered the two laws of inheritance that are now named after him. Almost 90 years later in 1953, the work of James Watson, Francis Crick, Maurice Wilkins and Rosalind Franklin, deciphered the structure of the molecule — DNA — that stores our hereditary information and gets transmitted from parents to children over generations.
At this point, in principle, the prospect of building individualized medicine based on the precise information stored in each human’s DNA (their genome) had come into view. But the human genome has around 3 billion base pairs and in 1953 it wasn’t possible to imagine extracting genetic information on the molecular scale and of this collective size.
Technological advances in sequencing methods have made the possibility glimpsed(1) 60 years ago a reality today. Already by 2001 the human genome project and its private competitor, Celera Genomics, showed that an entire genome could be sequenced.
Since then the cost of doing so has plummeted(2) — currently it is something like $1000 per person and becoming cheaper — and the age of genomics-informed medicine is now within sight. Perhaps this will also make interventional treatments feasible(3), in the not too distant future, thanks to the revolutionary advances brought about by the discovery of new gene-editing techniques, such as CRISPR.
What implications do these developments have for India and are there deliberate(4) choices that would shape this coming future more advantageously for the country and its people? Are there strengths that India can bring to this task? To gain fully from the genomics revolution, India needs to collect information about the genetics of its population and train manpower capable of interpreting it. The information that is needed has to come from a large and sustained collection of data — fully sequenced individual genomes along with medical histories for the individuals who volunteer for this effort.
This kind of longitudinal study is what would allow actual physical manifestations(5) relevant to health, e.g. specific illnesses, to be related to features in the genome. To pick an ambitious but not impossible number, a data bank that collects this kind of information on one million Indians over the coming decade would be a feasible effort of the right magnitude. We note that the China Kadoorie Biobank has been studying half a million people since their recruitment in 2004-2008. As India is much more genetically diverse — with something like 5,000 ethno-linguistic and religious groups (castes and others), all of which probably have some degree of genetic distinctiveness(6) — it needs a larger survey to do justice to all Indians.
The genetic distinctiveness of different Indian groups is in part the result of endogamy(7). While we cannot know the full impact of endogamy in advance of a proper survey, some recent research has shown that endogamy is very likely to be medically significant. Castes are not just “of the mind”. The genetic implication of this is that there are likely to be many recessive(8) diseases stemming from single genes specific to individual groups that can be identified.
This knowledge could then also be quickly applied to the task of managing diseases in these groups as well as be used for genetic counselling that could reduce their incidence in future generations. As an example elsewhere, the founder group of Ashkenazi Jews have almost eliminated Tay-Sachs disease from their population by such means. Looking ahead a bit more, with large samples the technique of “genome-wide association studies” that compare genomes of cases and controls could be used to identify genetic risk factors related to common diseases (such as heart disease that stem from many genes) that affect the health of many more individuals. We would like to emphasize that much of this is simply a question of applying existing methods and could all be done fairly quickly.
This is a good point at which to note that such a survey of Indian genetic diversity will be an important asset, beyond disease genetics. The data collected as part of these efforts will also help to uncover the basic biological function of genes and their interactions, which are not yet fully understood. This knowledge will be useful to humanity worldwide and also offer India a chance to claim a piece of the global medical and scientific frontier(9).
As a large part of the enterprise would be the application of information technology or “bio-informatics”, the prospects of establishing viable commercial enterprises with synergies(10) to existing IT champions are also promising.
1. Glimpse [glimps]
Noun: a very brief, passing look, sight, or view; a momentary or slight appearance; a vague idea; inkling; a gleam, as of light.
Verb: to catch or take a glimpse of; to look briefly; glance (usually followed by at); to come into view; appear faintly.
Synonyms: check out, peek, descry, espy, eye, flash, sight, spot, spy, view, catch sight of, get a load of, get an eyeful, take a gander, take in.
2. Plummet [pluhm-it]
Noun: a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line; something that weighs down or depresses.
Verb: to plunge.
Synonyms: collapse, crash, decline, decrease, descend, dip, dive, drop, drop down, fall, nose-dive, plunge, sink, skid, tumble, downturn, dump, precipitate, stoop, swoop.
Antonyms: ascend, go up, grow, increase.
3. Feasible [fee-zuh-buh l]
Adjective: capable of being done, effected, or accomplished; probable; likely; suitable.
Synonyms: achievable, advantageous, appropriate, attainable, beneficial, expedient, likely, practicable, practical, profitable, reasonable, suitable, viable, workable, worthwhile, breeze, cinch, duck soup.
Antonyms: disadvantageous, implausible, impossible, impractical.
4. Deliberate [adjective dih-lib-er-it; verb dih-lib-uh-reyt]
Adjective: carefully weighed or considered; studied; intentional; characterized by deliberation or cautious consideration; careful or slow in deciding; leisurely and steady in movement or action; slow and even; unhurried.
Verb: to weigh in the mind; consider.
Synonyms: calculated, careful, cautious, cold-blooded, conscious, meticulous, premeditated, prudent, purposeful, studious, thoughtful, willful, advised, considered, designed, express, fixed, intended, judged, planned, pondered, prearranged, predetermined, projected, purposed, reasoned, resolved, schemed.
Antonyms: careless, heedless, ignorant, imprudent.
5. Manifestation [man-uh-fuh-stey-shuh n, -fe-]
Noun: an act of manifesting; the state of being manifested; outward or perceptible indication; materialization; a public demonstration, as for political effect.
Synonyms: demonstration, explanation, expression, indication, instance, meaning, phenomenon, symptom, token, appearance, disclosure, display, exposure, mark, materialization, revelation, show, sign.
Antonyms: concealment, hiding, reality, secret.
6. Distinctive [dih-stingk-tiv]
Adjective: serving to distinguish; characteristic; distinguishing; having a special quality, style, attractiveness, etc.; notable.
Synonyms: uniqueness, discreteness, disparateness, particularity, separateness, specialness, specialty.
7. Endogamy [en-dog-uh-mee]
Noun: marriage within a specific tribe or similar social unit.
8. Recessive [ri-ses-iv]
Adjective: tending to go, move, or slant back; receding; genetics. Of or relating to a recessive.
Synonyms: receding, relapsing, dormant, inactive, latent, regressive, suspended.
Antonyms: dominant, overbalancing, prevailing.
9. Frontier [fruhn-teer, fron-; also, esp. British, fruhn-teer]
Noun: the part of a country that borders another country; boundary; border; the land or territory that forms the furthest extent of a country’s settled or inhabited regions.
Synonyms: borderland, borderline, bound, confines, edge, limit, march, perimeter, verge.
Antonyms: center, inside, interior, middle.
10. Synergy [sin-er-jee]
Noun: the interaction of elements that when combined produce a total effect that is greater than the sum of the individual elements, contributions, etc.; synergism.
Synonyms: teamwork, alliance, coaction, harmony, symbiosis, synergism, union, unity, combined effort, team effort, teaming, working together.
Antonyms: discord, divorce, separation.
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