Sentences with phrase «defective gene on chromosome»
Alzheimer's disease is likely due to a defective gene on chromosome 21.
http://www.religion-online.org/ Not exact matches
A girl who inherits one defective copy of such a gene from her parents has a backup on her other X chromosome.
Defective genes can be caused by mutations in either the maternally - inherited mitochondrial genome (mtDNA) or more frequently, the genes located on the autosomes, the 23 pairs of chromosomes which are responsible for all traits and all other genetic diseases.
X-linked intellectual disability is caused by defective genes on the X chromosome.
Other genetic diseases include Tay - Sachs disease (damage to the gene for the enzyme hexosaminidase A leads to an accumulation of a chemical in the brain that destroys it), sickle cell anemia (improper coding of the gene that produces hemoglobin), hemophilia (lack of a gene for a blood - clotting factor) and muscular dystrophy (caused by a defective gene on the X chromosome).