Hutchinson-Gilford progeria is an exceedingly rare human genetic disorder in which there is very early senility and death, usually from coronary artery disease, at an average age of approximately 13. Patients, who look very old even as children, do not live to reproduce. Which of the following represents the most likely assumption?
A. All cases must occur in relatives; therefore, there must be only one mutant allele.
B. Successive generations of a family will continue to have more and more cases over time.
C. The disorder may be due to mutation in a single protein-coding gene.
D. Each patient will have had at least one affected family member in a previous generation.
Select your answer:
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Medical Terminology Biodiversity Communicable Diseases and Immune Response (OCR) Trichology Health and Hygiene Toxicology Life Cycle - Bee Child Development Diseases Polio Physical Fitness Water Macromolecules Inheritance Nail Muscoskeletal SystemOther quiz:
Gene Cloning › ViewIn order to insert a human gene into plasmid, both must
A. code for the same gene product.
B. be cut by the same restriction enzyme.
C. originate from the same type of cell.
D. have identical sequences.
Vessels › View
At what point would we definitely not be able to measure the difference between systolic and diastolic pressure?
A. elastic arteries
B. capillaries
C. arterioles
D. muscular arteries