homozygous recessive

См. также в других словарях:

• Recessive — A trait that is evident only when one copy of the gene for it is inherited from each of the parents. * * * 1. Drawing away; receding. 2. In genetics, denoting a trait due to a particular allele or alleles at a single locus that does not manifest… …   Medical dictionary

• recessive — I. adjective Date: circa 1673 1. a. tending to recede b. withdrawn 2 2. a. producing little or no phenotypic effect when occurring in heterozygous condition with a contrasting allele < recessive genes > b. expressed only when the determining gene …   New Collegiate Dictionary

• Recessive, autosomal — A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one copy from each parent. The gene is on an autosome, a nonsex chromosome. The parents are carriers who have only one copy of the gene and do …   Medical dictionary

• Recessive, X-linked — A gene on the X chromosome that expresses itself only when there is no different gene present at that locus (spot on the chromosome). For example, Duchenne muscular dystrophy (DMD) is an X linked recessive disorder. A DMD boy has the DMD gene on… …   Medical dictionary

• recessive character — A character of one parent that manifests itself in the offspring only if it is homozygous in the offspring …   Dictionary of invertebrate zoology

• recessive — An allele or mutation that is only expressed phenotypically when it is present in the homozygous form. In the heterozygote it is obscured by dominant alleles …   Dictionary of molecular biology

• recessive allele — an allele that is phenotypically expressed only in the homozygous (or hemizygous, for X linked traits) state. Cf. dominant a …   Medical dictionary

• recessive trait — an inherited trait that is phenotypically expressed only when the mutant allele is present in the homozygous state. Cf. dominant t …   Medical dictionary

• recessive —    A trait phenotypically expressed only when an abnormal gene is present in the homozygous state …   Forensic science glossary

• recessive —   In genetics, of, relating to, or designating an allele that does not produce a characteristic effect when present with a dominant allele; of or relating to a trait that is expressed only when alleles are present in the homozygous condition.… …   Expanded glossary of Cycad terms

• Autosomal recessive — A genetic condition that appears only in individuals who have received two copies of an autosomal gene, one copy from each parent. The gene is on an autosome, a nonsex chromosome. The parents are carriers who have only one copy of the gene and do …   Medical dictionary