How do mutations contribute to the ongoing evolution of the human species? What are the future trends in human genetic variation?

Some genetic diseases, such as cystic fibrosis, are caused by mutations in a single gene. A gene contains DNA “letters” that spell out the instructions to ... Jan 22, 2025 ... A mutation in the gene that codes for the EGFR protein can make cells grow too much, which can cause cancer. ... mutations. The major example of ... Mar 5, 2021 ... Mutations have many possible causes. Some mutations seem to happen spontaneously without any outside influence. They can occur when mistakes are made during ... But though certain mutations have been identified as risk factors for myeloma, multiple myeloma is not thought to be a hereditary disease. That is to say, the ... Mar 4, 2025 ... Changes (mutations) in genes as a cause of AML. Cancer is caused by changes in the DNA inside our cells. DNA is the chemical in our cells ... Nov 15, 2024 ... Cystic fibrosis is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Inheriting two mutated genes ... Researchers identified a gene on the X chromosome that, when flawed (mutated), causes Duchenne, Becker, and an intermediate form of muscular dystrophies. Apr 1, 2025 ... Every human has both the BRCA1 and BRCA2 genes. Despite what their names might suggest, BRCA genes do not cause breast cancer. In fact, these ... Feb 20, 2025 ... Mutations are abnormal changes in the DNA of a gene and can sometimes lead to cancer. Find out common causes. May 17, 2005 ... Causes of Elevated Homocysteine Levels. Some people have elevated homocysteine levels (Table 1) caused by a deficiency of B vitamins and folate ...