Loluphi Uhlobo Lombala Oluza Kube Lwam Usana Lwam?

Umxholo

• Xa umbala weenwele uzimisele
• Imfuzo 101
• Umbala
• Iinwele zomntwana ngokuchasene neenwele zabantu abadala
• Ialbinism
• Ukuthatha

Ukusukela mhla wafumanisa ukuba ubulindele, kusenokwenzeka ukuba ubuphupha ngento enokubonakala ngathi lusana lwakho. Ngaba baya kuba nawo amehlo akho? Curls iqabane lakho?

Lixesha kuphela eliza kuthetha. Ngombala weenwele, isayensi ayihambelani ngokuthe ngqo.

Nalu ulwazi malunga nemfuza esisiseko kunye nezinye izinto ezimisela ukuba ngaba umntwana wakho uya kuba blonde, brunette, redhead, okanye umthunzi phakathi.

Xa umbala weenwele uzimisele

Nantsi imibuzo ephumayo ngokukhawuleza. Yinyani okanye bubuxoki: Umbala weenwele zomntwana wakho usetelwe ekukhawulweni.

Impendulo: Yinyani!

Xa isidoda sidibana neqanda kwaye sikhule sibe yi-zygote, sifumana i-chromosomes ezingama-46. Yiyo i-23 kubo bobabini umama notata. Zonke iimpawu zofuzo zosana lwakho - umbala weenwele, umbala wamehlo, isini, njl.njl. Sele zivalelwe kweli nqanaba lokuqala.

Eyona nto inomdla ngakumbi kukuba iseti nganye yama-chromosomes agqithiselwa ngabazali kubantwana babo yahlukile ngokupheleleyo. Abanye abantwana banokufana noonina, ngelixa abanye bekhangeleka njengooyise. Abanye baya kujongeka njengomxube, ukusuka ekufumaneni indibaniselwano eyahlukileyo yama chromosomes.

Imfuzo 101

Isebenza njani imfuza ukwenza umbala weenwele? Uhlobo ngalunye lomntwana wakho lwenziwe zii-alleles. Usenokuwakhumbula amagama athi “ophezulu” kunye no “recessive” kwiklasi yesayensi yesikolo. Ii-alleles ezibalaseleyo zinxulunyaniswa neenwele ezimnyama, ngelixa ii-alleles ezixineneyo zinxulunyaniswa nee-shades ezifanelekileyo.

Xa izakhi zofuzo zidibana, ibinzana elibangelwa lulo luphawu oluthile lomntwana wakho, okanye uphawu lomzimba. Abantu babedla ngokucinga ukuba xa omnye umzali eneenwele ezimhlophe kwaye omnye eneenwele ezimdaka, umzekelo, i-recessive (blonde) iya kuphulukana nayo kwaye (i-brown) elawulayo iya kuphumelela.

Inzululwazi iyavakala, kodwa ngokweMyuziyam yeTekhnoloji yoTshintsho, uninzi lwezinto esizaziyo ngombala weenwele zisekwinqanaba lethiyori.

Kuyavela ukuba zininzi imibala eyahlukeneyo emdaka. I-brown-ebony iphantse yamnyama. I-almond eBrown iphakathi nendawo. I-brown-vanilla sisiseko blonde. Uninzi lwento oza kuyifunda malunga nemfuza iveza umbala weenwele njengowongamileyo okanye oguqukayo. Kodwa ayisiyonto ilula kangako.

Kuba ii-alleles ezininzi ziyadlala, kukho uluhlu olupheleleyo olunokwenzeka ngombala weenwele.

Umbala

Ingakanani kwaye luhlobo luni lwe-pigment kwizinwele zomntu kunye nendlela ehanjiswa ngayo inceda ukwenza umthunzi oqhelekileyo.

Okubangela umdla nangakumbi kukuba isixa sombala kwizinwele zomntu, ukuxinana kwaso, kunye nokusasazwa kwaso kunokutshintsha kwaye kuguquke ngokuhamba kwexesha.

Zimbini ii-pigment ezifumaneka kwizinwele zabantu:

• I-Eumelanin inoxanduva lweetoni ezimdaka / mnyama.
• I-Pheomelanin inoxanduva lweetoni ezibomvu.

Iinwele zomntwana ngokuchasene neenwele zabantu abadala

Ukuba ukhe watyhutyha imifanekiso yakudala yosana lwakho, usenokuba uqaphele ukuba unenwele ezikhaphukhaphu okanye ezimnyama njengomntwana. Kusenokwenzeka ukuba itshintshile kwiminyaka yakho encinci nakwiminyaka yokufunda ukuya esikolweni, nayo. Le meko ibuyela kumbala kwiinwele.

Uphononongo olupapashwe kwiNzululwazi yezeNzululwazi lushicilele umbala weenwele wabantwana abangama-232 abamhlophe, abaphakathi baseYurophu ePrague. Bafumanise ukuba uninzi lwabantwana, amakhwenkwe kunye namantombazana, babeneenwele ezimnyama kunyaka wokuqala wobomi. Ukususela kwiinyanga ezili-9 ukuya kwi-2/2 yobudala, umbala wokukhanya ukhanyisiwe. Emva kweminyaka emi-3, umbala weenwele waba mnyama ngakumbi de kwaba li-5.

Oku kuthetha nje ukuba iinwele zomntwana wakho zinokutshintsha imibala amaxesha ambalwa emva kokuzalwa ngaphambi kokuhlala kumbala osisigxina.

Ialbinism

Iintsana ezizalwe zinealbinism zisenokungabi nalo umbala omncinci ezinweleni, kulusu nasemehlweni. Esi sifo sibangelwa kukutshintsha kwemfuza. Kukho iintlobo ngeentlobo zealbinism ezichaphazela abantu ngeendlela ezahlukeneyo. Uninzi luzelwe luneenwele ezimhlophe okanye ezikhanyayo, kodwa uluhlu lwemibala lunokwenzeka.

Le meko inokubangela iingxaki kumbono kunye nokuziva lilanga. Nangona abanye abantwana bezalwa benenwele ezimhlophe qhwa, abantwana abane-albinism baya kuba neenkophe ezimhlophe kunye namashiya.

Ialbinism yimeko ezuzwe njengelifa eyenzeka xa bobabini abazali bedlula kutshintsho. Ukuba ukhathazekile ngale meko, unokufuna ukuthetha nogqirha wakho okanye umcebisi ngemfuza. Unokwabelana ngembali yosapho lwakho kwaye ubuze nayiphi na eminye imibuzo onayo malunga nesi sifo.

Ukuthatha

Ke, loluphi umbala lweenwele umntwana wakho aya kuba nalo? Impendulo yalo mbuzo ayilula kangako. Njengazo zonke iimpawu zomzimba, umbala weenwele zomntwana wakho sele umiselwe kwaye ufakwe ikhowudi kwi-DNA yabo. Kodwa kuya kuthatha ixesha ukukhula ngokupheleleyo emthunzini ngqo.