recessive


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Related to recessive: Recessive allele, homozygous
See: regressive
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RECESSIVE These genes are "weak" and are always dominated by strong, dominant genes unless two of them get together for a particular trait - they're donated by each parent.
In this method, the increased rates of childhood mortality and disease in these families are assumed to be due to recessive mutations.
According to the National Institute of Health, this condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations.
This means that both myself and The Man-in-Charge have the recessive gene, without having red hair ourselves.
Mutations in the parkin gene cause autosomal recessive juvenile parkinsonism.
With our new mathematical concept, biology students can better understand that, in the case of heterozygous traits, a dominant allele determines appearance by contributing 100% to the overall phenotype, whereas the recessive allele has no observable effects on the organism and, hence, contributes 0%.
Simply adopting recessive adjustments is not enough," she said.
Most of them, if not all, are recessive single gene disorders.
Craig Benson got interested in carrier screening for recessive genetic conditions after he and his wife found out that their young daughter had Batten disease, a rare neurodegenerative disease affecting about 1 in 100,000 people.
Summary: RIYADH: A prominent Saudi health expert warned against the growing trend of consanguineous marriages in Saudi Arabia, saying that the practice increases the chances of recessive gene disorders in children.
More than 1,300 people live with the killer disease in Ireland with one-in-19 carrying the recessive gene - the highest such rate in the world.
Research over the last 30 years has also resolved the biosynthesis and occurrence of vitamin E in plants, the proteins involved in the cellular uptake, tissue distribution and metabolism, and defined a congenital recessive neurological disease, ataxia with vitamin E deficiency (AVED), characterized by impaired enrichment of alpha-tocopherol in plasma as a result of mutations in the liver alpha-tocopherol transfer gene.