Question

Name two genetic diseases that appear to be primarily due to de novo germline mutations and...

Name two genetic diseases that appear to be primarily due to de novo germline mutations and provide a mechanism underlying their bias for de novo mutations. Please provide sources

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Answer #1

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Genetic diseases that appear to be primarily due to de novo germline mutations are as follows:

1]Mucolipidosis II or inclusion cell disease or I-cell disease

2]Mucolipidosis III or pseudo-Hurler polydystrophy

Mechanism underlying their bias for de novo mutations

Mucolipidosis II or inclusion cell disease or I-cell diseaseand Mucolipidosis III or pseudo-Hurler polydystrophy are autosomal recessive disorders caused by defects in the GlcNAc-1-phosphotransferase complex,which is composed by three subunits:.mutations in gene encoding the alpha and beta subunits lead to ML-II alpha/beta,or to the less clinically severe condition.

ML-III gamma is caused by mutations in the gene encoding the gamma -subunit of GlcNAc-1-phosphotransferase

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