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q4 - shawn3387
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11-05-2006, 09:39 PM
The fact that type IV osteogenesis imperfecta can be caused by defects
on COLIA 1 and COLIA 2 is an example of a. Gonadal mosaicism b. Genetic heterogeneity c. Allelic heterogeneity d. Polymorphism
11-05-2006, 09:41 PM
The answer is b. Genetic heterogeneity is
defined as a situation in which mutations of different genes produce similar or identical phenotypes. Gonadal mosaicism refers to mutation affecting some of the germ cells (sperm or eggs). Allelic heterogeneity refers to the state in which multiple alleles at a single locus can produce a disease phenotype or phenotypes.
11-05-2006, 09:41 PM
The answer is b. Genetic heterogeneity is
defined as a situation in which mutations of different genes produce similar or identical phenotypes. Gonadal mosaicism refers to mutation affecting some of the germ cells (sperm or eggs). Allelic heterogeneity refers to the state in which multiple alleles at a single locus can produce a disease phenotype or phenotypes. |
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