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Examples Of Dominant Genes
See below: With a dominant gene trait, the child only needs to receive one copy of the abnormal gene. So, they have a 50% chance of getting the gene. With a recessive gene, the child needs 2 copies of the gene. So, they have a 25% chance of having both genes. ...Read more
Angelman syndrome: The answer is neither- most cases are not inherited at all. http://ghr.nlm.nih.gov/condition/angelman-syndrome ...Read more
Neither: Pituitary gigantism results from a pituitary adenoma, an acquired tumor. There are a few dozen genetic syndromes in which a person may be extra-tall; common Marfan's is a dominant; there's a dominant family syndrome in which people are prone to get pituitary gigantism; there's at least one rare autosomal recessive with gigantism with multiple birth defects. ...Read more
Is there a test to find out which combination of eye colour genes (recessive/dominant/colours) a person carries?
Progeria: Progeria is an extremely rare genetic disorder that may be seen at an early age and is unlikely to develop at age 48. Please go online to Wikipedia and read through the information. What is your height and weight? Are you getting shorter? Are you getting a change in weight? Once you have read the article you should probably see your doctor. ...Read more
See below: DNA repair genes, which BRCA 1 and 2 are, do not behave clearly as dominant or recessive, but for practical purposes you could consider these dominant. Not all women with the gene get cancer so it could skip a generation. See this site for more info. http://www.cancer.gov/about-cancer/causes-prevention/genetics/brca-fact-sheet ...Read more
Neither: People normally have 2 beta globulin genes. A mutation in one or both genes leads to 3 levels of beta thalassemia. The genetics of the disorder is not all-or-none nor dominant-recessive. Instead, more or worse mutations causes worse disease. One mutation = beta thal trait (mild symptoms), 2 mutations = beta thal intermedia (transfusions sometimes) or beta thal major (lifelong transfusions needed). ...Read moreSee 1 more doctor answer
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