Inheritance pattern for most forms of SMA is autosomal recessive, meaning that both parents are carriers of the disorder, and the chance of having a child affected with the disorder is 25% with each pregnancy.
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SMA (spinal muscular atrophy) is typically inherited in an autosomal recessive pattern. This means that a child must inherit a copy of the faulty gene from both parents in order to develop the condition. In some rare cases, SMA can be inherited in an autosomal dominant pattern.
patterns of familial inheritance. patterns of sex-linked inheritance.
Inheritance patterns are the predictable patterns seen in the transmission of genes from one generation to the next.
Some common genetic inheritance patterns include autosomal dominant, autosomal recessive, X-linked dominant, and X-linked recessive. These patterns describe how traits are passed down from parents to offspring.
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A non-Mendelian trait is a heritable feature that does not follow the patterns of inheritance described by Gregor Mendel in his laws of inheritance. These traits may be influenced by multiple genes, the environment, or exhibit more complex inheritance patterns than simple dominance or recessiveness. Examples include traits influenced by epigenetic modifications or mitochondrial DNA inheritance.