Haiku. Haiku is an ancient form of Japanese poetry that counts sounds, as opposed to words. Its traditional form is three lines, with five sounds in the first line, seven in the second line, and five in the third line.
Single gene disorders can be: Dominant. An abnormality occurs when only one of the genes from one parent is abnormal. If the parent has the disorder, the baby has a 50 percent chance of inheriting it. Examples include the following: Achondroplasia.
A dominant allele prevails over a normal allele. A recessive allele prevails if its counterpart allele on the other chromosome becomes inactivated or lost. Over 11000 traits or disorders in humans exhibit single gene unifactorial or Mendelian inheritance.