Mae rhywbeth rhyfedd yn digwydd yng ngweithdy Siôn Corn...

Mae gan bob corrach god 5-llythyren arbennig (sef eu genom) sydd wedi'i wneud o'r llythrennau A, C, T, a G. Mae'r cod hwn yn penderfynu sut olwg fydd arnynt - patrwm gwrido eu bochau, eu gwallt, lliw eu llygaid, eu haeliau, a hyd yn oed lliw eu croen.

Ond eleni, cafodd y codau eu cymysgu, ac mae angen eich help chi ar dîm Siôn Corn er mwyn datrys y sefyllfa.

Byddwch chi'n cwrdd â grŵp o gorachod, cewch wybod am ymddangosiad y corrach a beth yw ei god. Eich swydd chi yw darganfod:

• Pa ran o'r cod sy'n rheoli pa nodwedd


• Beth mae'r gwahanol lythrennau'n ei olygu i'r nodwedd honno


• Ac yn olaf... datrys cod y corrach dirgel!

Mae'n bos rhesymeg â thema Nadoligaidd. Defnyddiwch eich sgiliau ditectif, cymharwch y cliwiau, a dadgodio genom y corrach cyn i'r sled hedfan i ffwrdd!

Ydych chi'n barod i ddatrys Pos Pegwn y Gogledd?

Something strange is happening in Santa's workshop...

Every elf has a special 5-letter code (their genome) made from the letters A, C, T, and G. This code decides what they look like - their blush pattern, hair, eye colour, eyebrows, and even their skin tone!

But this year, the codes got mixed up, and Santa's team needs your help to sort them out.

You'll meet a group of elves with known codes and clear traits. Your job is to figure out:

• Which part of the code controls which feature


• What each letter means for that feature


• And finally... crack the code of a mystery elf!

It's a logic puzzle with a festive twist. Use your detective skills, compare clues, and decode the elf's genome before the sleigh takes off!

Ready to become a North Pole Codebreaker?