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Mosaic disease



An infectious disease in plants characterized by the speckled appearance in leaves due to mottling and discoloration caused by a mosaic virus.


Mosaic viruses that cause such disease are the plum pox virus and the tobacco mosaic virus.

Word origin: mosaic + disease

See also: mosaic virus

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Molecular gene (genome) concept scientifically untenable

... studies which were supposed to isolate the causes of scores of human diseases. Except for cancer, samples of diseased tissue are difficult or ... Res. 9:43-47. 16. Rosenfeld, A. 1981. Master molecule heal thyself. Mosaic 12(1). 17. Portin, P. 1993. The concept of the gene: Short history ...

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by PAWahid
Wed May 02, 2012 4:54 am
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 38985

Mitochondrial disease

... then you should point out that Cat has a very good point, mitochondrial diseases are caused not only by mtDNA errors so your question is misleading. ... alternative explanation that is likely is simply that the mother was mosaic- ie. carried 'good' and 'bad' mitochondria - this is likely in related ...

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by merv
Sun Oct 02, 2011 10:33 pm
Forum: Genetics
Topic: Mitochondrial disease
Replies: 2
Views: 8538

Barr Bodies and Xic

... 2. If the zygote of a female is heterozygous for a recessive X-Linked disease, will she show the symptoms or not (since the cells are mosaic). 3. In Turner's Syndrome, the cells are pretty much the same except that the cells ...

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by Procon1234
Thu Jan 20, 2011 4:23 pm
Forum: Cell Biology
Topic: Barr Bodies and Xic
Replies: 1
Views: 2066

Recombination in RNA viruses,Ruzic,Kovac

... in nature, exploiting the fact that many recombinant sequences are mosaics comprising regions with quite different phylogenetic histories. One ... from non-cytopathogenic ones and cause a lethal syndrome, mucosal disease, in the hosts (Meyers et al., 1989). In¯uenza A virus has also been ...

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by anakovacevic
Sat Jun 12, 2010 8:28 pm
Forum: Cell Biology
Topic: Recombination in RNA viruses,Ruzic,Kovac
Replies: 2
Views: 44141

X chromosome inactivation

... and paternal) to be inactivated in each cell, results in a female "mosaic", where the genes in the paternal X chromosome is expressed in ... What if this female person is heterozygot for a hereditary sex-linked disease on the X-chromosome, in what way does this affect the person? If ...

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by Nelsson
Wed Apr 23, 2008 12:56 pm
Forum: Genetics
Topic: X chromosome inactivation
Replies: 5
Views: 7761
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