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Genetic Disorders Booklet: Polydactyly Case Study Answers

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Genetic disorders booklet: polydactyly
Q. Who first discovered the genetic disorder? How was it discovered? A. Tyler Steven Hayden was the one who discovered the disorder. Q. is the disease state dominant or recessive? Explain. A. polydactyly is a dominant but rare disease, it’s caused by a dominant allele of a gene. It can also be passed down if one of the parents have the disorder. Q. Differentiate between recessive and dominant disorder? Explain. A. your genes determine your traits like hair, skin, and eye color. Like when it comes to eye color brown eyes are dominate and blue eye ae recessive. That means that if one of your parents has blue eyes and the other has brown eyes you Will …show more content…

Q.is it a chromosome abnormality? Explain. A. no it is not a chromosome abnormality but a genetic abnormality and it is more common in Asian and African American decent, The gene that causes polydactyly is GLI3, & it is one of a number Of genes that are known to be involved in the patterning of tissues & organs during development of the embryo. It does this by controlling what genes are turned on or off.t Q.is it autosomal or sex linked? Explain. A. polydactyly is actually a autosomal dominate trait & not sex linked. Q. what specifically caused this disorder? A. what causes polydactyly are genetic defect or underlying hereditary syndrome. Its actually the gene that is responsible for it is GLI3 its what genes work and which ones don’t. Q. how is this disorder diagnosed & tested? A. its really self-diagnosed you don’t need to be a dr. to know if you have the disorder all you got to do is Look down at your hands a feet and check if you have an extra thumb, pinky or big/small toe. As for how its tests there are x-rays, enzyme tests, chromosome studies, and metabolic

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