Inheritance patterns

Genetics of male infertility

Breda Genetics panel recommended for this condition: Pan73 – Male infertility (AK7, AR, ARMC2, AURKC, AZF, BRDT, C14ORF39, CATSPER1, CATSPER2, CEP112, CFAP43, CFAP44, CFAP58, CFAP58, CFAP65, CFAP69, CFAP70, CFAP91, CFTR, DEFB126, DEFB128, DNAH1, DNAH17, DNAH2, DNAH8, DPY19L2, DZIP1, FANCM, FSHR, FSIP2, HSF2, KLHL10, LHCGR, M1AP, MAATS1, MEIOB, MSH4, MSH5, NANOS1, NR5A1, PICK1, PLCZ1, PLK4, PMFBP1,

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Semi-dominance and rare disorders

Mechanisms of inheritance: a more complex situation than expected The first studies on inheritance were conducted by Gregor Mendel, the father of Genetics. He discovered that phenotypic traits (e.g. hair or eye color) where defined by the genes (DNA). Each gene has two alleles, one inherited from the mother and one inherited from the father.

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Incomplete penetrance

Typical of autosomal dominant transmission What’s incomplete penetrance? When is it more common? Sometimes a patient harboring a disease-causing genetic mutation remains totally asymptomatic for their whole life. This is due to a genetic phenomenon known as incomplete penetrance. Incomplete penetrance occurs mainly in autosomal dominantly inherited disorders. The definition of penetrance is consistent with the percentage of subjects

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Haploinsufficiency

Most human apparatuses operate under conditions of functional redundancy. Many biological systems have a functional reserve to offer a better chance of survival in case of illness or accident. In fact, men have two lungs, two kidneys, two eyes (but can survive even with only one), a liver function which can be satisfactorily maintained even

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