īst sellin amaippu bayangara sikkalaaga irukkiradhu. adhan maiya pagudhiyil DNA irukkiradhu. mūlakkūrugalai pirippadharkum, avatrai idam maatruvadharkum, urumaatruvadharkum kutti kutti meshingalai pōla niraiya paagangal indha sellil irukkindrana. ivaiyellaam, andha sel thodarndhu uyir vaala udhavi seigiradhu.
uyir enna solgiradhu?
uyirinangal valargiradhu, nagargiradhu, perugugiradhu! ivaiyellaam indha būmiyai alagu konjum oru kōlaaga aakkugiradhu. uyirinangalai patri manidhargalaal munbaivida ippōdhu niraiya therindhukolla mudigiradhu. arpudhamaana indha uyir thaanaagavē vandhirukkumaa? nīngal yōsitthuppaarkka sila vishayangal:
uyir vadivamaikkappattiruppadhu pōla therigiradhu. ellaa uyirinangalum selgalaal aanavai. indha selgal chinna chinna tholirchaalaigalai pōla seyalpadugindrana. uyirinangal thodarndhu vaalvadharkum inapperukkam seivadharkum sikkalaana pala vēlaigalai ivai seigindrana. saadhaarana uyirinangalilkūda indha maadhiri sikkalaana vēlaigal nadakkindrana. udhaaranatthukku, bēkkariyil payanpadutthugira īstai patri yōsitthuppaarungal. adhu oru-sel uyiri! īst sellai manidha sellōdu oppittu paartthaal, adhu romba elimaiyaagatthaan irukkiradhu. aanaal, īst sellai mattumē aaraaindhu paartthaal, adhan amaippu bayangara sikkalaaga irukkiradhu. īst sellin maiya pagudhiyil dna (DNA) irukkiradhu. adhōdu, mūlakkūrugalai pirippadharkum, avatrai idam maatruvadharkum, urumaatruvadharkum kutti kutti meshingalai pōla niraiya paagangal indha sellil irukkindrana. pōdhumaana unavu kidaikkaadhapōdhu, thannudaiya seyalpaattai kuraitthukkondu seyalatra nilaikku, adhaavadhu thūngum nilaikku, idhu pōividugiradhu. aanaalum, adhu uyirōdudhaan irukkum! seyalatra nilaiyil irukkira īstai bred maadhiriyaana unavugalai thayaarikka payanpadutthumpōdhu, idhu thirumbavum seyalpada aarambikkiradhu.
manidha selgalai nandraaga purindhukolla vinnyaanigal īst sellai pala varushangalaaga aaraaichi seigiraargal. aanaal, avargal purindhukolla vēndiya vishayangal innum niraiya irukkindrana. “indha elimaiyaana īst sellin seyalpaattai purindhukolvadharkē innum niraiya sōdhanaigalai seiya vēndiyirukkiradhu. adhaiyellaam seivadharku pōdhumaana vinnyaanigal illai” endru svīdanil irukkira saamars palgalaikkalagatthin pēraasiriyar raas king solgiraar.
oru saadhaarana īst sellin vadivamaippē evvalavu sikkalaaga irukkiradhu! idhai patri nīngal enna ninaikkirīrgal? vadivamaippaalar oruvar illaamal ivaiyellaam thaanaagavē vandhirukkumaa?
oru uyiril irundhudhaan innoru uyir varamudiyum. DNA enbadhu niyūkliyōdaidugal (nucleotides) endra mūlakkūrugalaal aanadhu! ovvoru manidha sellilum 320 kōdi niyūkliyōdaidugal irukkindrana. indha mūlakūrugal oru kurippitta varisaiyil adukkappattu irukkindrana. andha varisaiyai porutthudhaan selgal nodhigalaiyum (enzymes) puradhangalaiyum (proteins) urpatthi seigiradhu.
niyūkliyōdaidugalaal thaanaagavē sariyaana varisaiyil ondrusēra mudiyumaa? ondrukku pakkatthil 150 pūjyangalai pōttaal etthanai varumō, atthanai dhadavai muyarchi seidhaal, adhil oru dhadavai varuvadharku vaaippu irukkiradhu. appadiyendraal, yadhaartthatthil idhu saatthiyamē illai endru therigiradhu.
uyiratra porulilirundhu uyirulla ondrai vinnyaanigalaal idhuvarai uruvaakkavē mudiyavillai.
manidha udal īdinai illaadhadhu. vaalkkaiyai sandhōshamaaga anubavikkum thiran manidhargalukku irukkiradhu. indha thiran vērendha uyirinatthukkum illai. manidhargalaal kalainayatthōdu yōsikka... matravargalōdu palaga... ondraaga sērndhu vaala... unarchigalai velippaduttha... unavai rusitthu saappida... narumanam vīsumpōdhu adhai anubavikka... inimaiyaana satthangalai kētka... vannangalaiyum alagaana kaatchigalaiyum paartthu rasikka... mudigiradhu. adhōdu, vaalkkaiyai patri yōsikkavum edhirkaalatthukkaaga thittam pōdavum mudigiradhu.
vaalkkaiyai ōttavum inapperukkam seiyavumdhaan indha thirangal namakkul vandhanavaa? alladhu, vaalkkaiyai anubavippadharkaaga padaitthavar ivatraiyellaam namakku parisaaga kodutthirukkiraaraa? nīngal enna ninaikkirīrgal?