26Mexican Tetra Fish
The river-dwelling Mexican Tetra fish is capable of regenerating its heart tissue with no scarring. The genes that are responsible for this are named iirc10 and caveolin. These genes are also present in in humans. Scientists believe these genes can be activated to regenerate heart tissue in us as well.
27. Some women can have a genetic mutation that causes them to gain a 4th color-vision cone in their eyes, allowing them to see millions of more colors.
28. Some people’s earwax is different from others, and the wetness of it is determined by your 16th chromosome.
29. The gene Zbtb7 which is responsible for the proliferation of cancer throughout surrounding cells, was originally named "Pokémon". It is a backronym for "POK erythroid myeloid ontogenic factor." The Pokémon Company threatened legal action because they believed it to be bad press.
30. A boy in the UK is the only one in the world to have a condition called Hamish Syndrome (which is named after him). This condition causes one of his kidneys to be located in his leg. Both kidneys are fully functional and are believed to be caused by a missing chromosome named 7p22.1
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31Smell Of Cyanide
About 20-40% of the human population does not have the gene that lets people detect the smell of cyanide.
32. On experiments with mice researchers discovered that mutation in EDAR370A gene causes thicker hair, smaller mammary fat pads, and more sweat glands. This mutation is found in many East Asians.
33. There is a gene called TAS2R38 and it particularly determines how much you like certain vegetables like Brussels sprouts, cabbage, and broccoli.
34. One family in Turkey walks on all fours due to a rare syndrome that strikes the areas of the brain that controls balance. This rare mutation prevents proteins from distributing fat molecules correctly in the cells, which leads to defective nerve cells, brain damage, and loss of balance.
35. Approximately 30 to 50% of East Asian are intolerant to alcohol due to a faulty version of the aldehyde dehydrogenase 2 (ALDH2) gene. It may cause flushing on a person's face and body and other symptoms including nausea, headache, and general physical discomfort after drinking alcohol.
