Phenotype - wata ãyã daga cikin jiki ko muhalli tsoma?

Wasu mutane ne sha'awar wannan tambaya na abin da yake cikin phenotype. Wannan definition za a iya daukan daga biyu ra'ayoyi. Magana sama-sama ne, da phenotype - ne waje misali na jiki, wanda aka ƙaddara da wani sa na manifestations na genotype. Bayan dauke da definition a more daki-daki, za mu iya cewa waxannan abubuwa ne da wasu alamu, wanda suna da hannu a cikin tsari na wasu kwayoyin halittu.

Halaye peculiar phenotype, bayyana a cikin mutane a daban-daban matakai na raya kasa. Formation halaye na data auku a ƙarƙashin rinjayar wasu dalilai na yanayi da kuma mutum genotype.

Mutane da yawa kwayoyin da Tsarin na jiki na mutum, wanda wani bangare ne na Extended phenotype da aka sauya ta da kwayoyin abu ba za a iya gano a cikin matsanancin nau'i na jiki. Alal misali, jini ba ya samun domin sanin azahiri. Saboda haka, duk da halaye na mai phenotype ƙaddara da wani musamman kayan aiki, kazalika da irin yadda likita, bincike da kuma fasaha hanyoyin.

Phenotype - shi ne hali da kuma dauki ga muhalli tsoma cewa an samu a kan lokaci, dangane da wasu abubuwan. Alal misali, a dam za a iya daukan dabbar beaver phenotype. Daga wani babban iri-iri biyu fasali na phenotype halaye za a iya bambanta - ji na ƙwarai kuma multidimensionality. A farko alama ne ke da alhakin "kai-fita" wasu kwayoyin bayanai a mayar da martani ga wasu muhalli dalilai. Har ila yau, wannan alama ne da alhakin phenotype na digiri na ji na ƙwarai to wannan dalilai. Halayyar wanda kayyade daidai yawan "kau" na bayanai daga gene bambance-bambancen karatu saduwa da dalilai da kuma bayyana wadanda al'amurran da cewa su ne musamman kula da phenotype - shi ne Multi-girma. Wadannan halaye su ne da alhakin dũkiya. A wasu kalmomin, da more dabaru da kuma ji na ƙwarai, da aukaka da phenotype. Alal misali, mutum phenotype ne aukaka fiye da na wani kwayoyin cuta, don haka kamar yadda mafi farko muhimmi dimensionality da kuma ji na ƙwarai.

Phenotype wanda yake dogara ne a kan dalilai kamar da genotype, sakamakon muhalli canje-canje da kuma bazuwar kwayoyin saboda maye gurbi. A wannan yanayin, idan sakamakon wata guda factor a kan wani musamman halayyar more sakamakon wasu dalilai, bi da bi, rage-rage. Alal misali, ido launi ne dogara a kan genotype, da kuma tagwayen iya samun bambance-bambance a halaye kamar tsawo da kuma nauyi, wanda aka ƙaddara daga rinjayar wasu muhalli dalilai. Har ila yau, a karkashin tasirin da waje dalilai iya saya da cutar hepatitis C (genotype 1).

A cikin yanayi akwai wani m iri-iri da suka faru, kamar phenotype. Wannan bambancin na iya zama wani da ake bukata kafun ga juyin halitta daga halittu masu rai da na halitta da rayuwa. A matsayin misali, Pine, wanda a daban-daban yanayi duba daban-daban: a cikin gandun daji, su ne siriri kuma tsayi, kuma a cikin filayen da kuma a kan kankara - mafi sprawling.