Frequently Asked Questions

Want to learn more about genetic testing and how it applies to you as a Frum person? Take a look at these questions which should help to clarify.

Do you have a question that you don't see below? Use the form at the bottom of this page and we will get you an answer ASAP!

What are the 39 known Ashkenazic genetic diseases? · · ·

Autosomal Recessive Polycystic Kidney Disease
Beta Thalassemia
Bloom's Syndrome
Canavan Disease
Carnitine Palmitoyltransferase II Deficiency
Congenital Disorder of Glycosylation 1a
Cystic Fibrosis
Costeff Optic Atrophy Syndrome
Factor XI Deficiency
Familial Dysautonomia
Familial Hyperinsulinemia
Familial Mediterranean Fever
Fanconi Anemia Type C
Fragile X (women only)
Gaucher Disease
Glucose-6-Phosphate Dehydrongenase Deficiency
Glycogen Storage Disease Type 1a
Glycogen Storage Disease Type 3
Inclusion Body Myopathy
Joubert Syndrome 2
Lipoamide Dehydrogenase Deficiency (MSUD 3)
Maple Syrup Urine Disease Type 1B
Megalencephalic Leukoencephalopathy with Subcortical Cysts
Metachromatic Leukodystrophy
Mucolipidosis Type 4
NEB-related Nemaline Myopathy
Niemann-Pick Disease Type A
Phenylalanine Hydroxylase Deficiency
Polyglandular Autoimmune Syndrome 1
Pseudocholinesterase Deficiency
Smith Lemli Opitz Syndrome
Spinal Muscular Atrophy
Tay-Sachs Disease
Usher Syndrome Type 1F
Usher Syndrome Type 3A
Walker Warburg Syndrome
Wilson disease

What is the difference between Dor Yeshorim and Jscreen? · · ·

Individuals screened through Dor Yeshorim do not receive copies of their results. Dor Yeshorim results are only used to determine whether you and your partner carry the same disease gene and are therefore at risk for having children with that disease. If you screen through JScreen, you will receive copies of your results and will know your carrier status for each disease on the panel. Dor Yeshorim screens for 7 disease in their standard panel and JScreen tests for 106. Please click here to see more specific information.

Does being a carrier of a disease mean that I am sick or can I get sick from this disease? · · ·

No, carriers will not develop the disease. For the conditions on our screening panels, a person must have two copies of the gene, one from each parent, to have the condition.

If I don’t have a family history of any of these genetic diseases, do I still need to be screened? · · ·

Yes! The vast majority of children with these diseases are born to parents who have no family history of the disease. This is because, while there have been generations of healthy carriers in the family, no family members happened to have a child with another carrier. Remember that carriers are healthy and don’t have symptoms of the disease. The only 2 ways to find out you are a carrier are:

1.To have an affected child.
2.To be screened.

Screening allows couples to know ahead of time that they are at risk and to take steps toward having healthy children.


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