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dominant inheritance

   Also found in: Dictionary/thesaurus, Legal, Financial, Encyclopedia, Wikipedia 0.01 sec.
inheritance /in·her·i·tance/ (in-her´ĭ-tans)
1. the acquisition of characters or qualities by transmission from parent to offspring.
2. that which is transmitted from parent to offspring.

cytoplasmic inheritance  mitochondrial i.
dominant inheritance  see under gene.
extrachromosomal inheritance  mitochondrial i.
intermediate inheritance  inheritance in which the phenotype of the heterozygote falls between that of either homozygote.
maternal inheritance  mitochondrial i.
mitochondrial inheritance  the inheritance of traits controlled by genes on the DNA of mitochondria in the ooplasm; thus the genes are inherited entirely from the maternal side, segregate randomly at meiosis or mitosis, and are variably expressed.
recessive inheritance  see under gene.
sex-linked inheritance  see under gene.

dominant inheritance
n.
Inheritance in which an allele produces the same phenotypic effect whether inherited with a homozygous or heterozygous allele.


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It can be inherited through autosomal dominant inheritance, in which one gene for the condition expresses itself in an individual; or through autosomal recessive inheritance, in which the recessive (unexpressed) gene is passed from each parent and the two genes are paired together, causing the disorder to be expressed in the child.
According to them, these primary electrical heart disorders are mostly subject to autosomal dominant inheritance, which means that family members have a 50 per cent risk of being carriers of the modified gene causing the disorder.
Characteristics of autosomal dominant inheritance of breast cancer * The cancer-predisposing mutation is transmitted from generation to generation through one side of the family (Fig.
 
 
 
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