Allergies. Allergies can cause a runny nose, sneezing, itching, or coughing. Food allergies are the most common in babies, but pets and insects can also cause an allergic reaction. Learn about baby allergies and how to ease them. 1  Facebook. 2  Pinterest.
But redheads as a group have more in common than only their hair color -- certain health conditions appear to be more common among people with red hair. Here are five health risks linked with being a redhead. About 1 to 2 percent of the human population has red hair.Redheads have genes to thank for their tresses. Research shows red hair usually results from a mutation in a gene called MC1R, which codes for the melanocortin-1 receptor. The pigment found in redhair that makes it red is called pheomelanin.ut redheads as a group have more in common than only their hair color -- certain health conditions appear to be more common among people with red hair. Here are five health risks linked with being a redhead. About 1 to 2 percent of the human population has red hair. Redheads have genes to thank for their tresses.
They are frameshift mutations. A frameshift mutation alters the âreading frameâ of the DNA sequence and changes all the amino acids in the protein product after the point of mutation. Substitution mutations merely replace one base with another.Because the genetic code is redundant some substitutions will have no effect at all. frameshift mutation alters the âreading frameâ of the DNA sequence and changes all the amino acids in the protein product after the point of mutation. Substitution mutations merely replace one base with another. Because the genetic code is redundant some substitutions will have no effect at all.