recessive


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Related to recessive: Recessive allele, homozygous

recessive

1. Genetics
a. (of a gene) capable of producing its characteristic phenotype in the organism only when its allele is identical
b. (of a character) controlled by such a gene
2. Genetics
a. a recessive gene or character
b. an organism having such a gene or character

recessive

[ri′ses·iv]
(genetics)
An allele that is not expressed phenotypically when present in the heterozygous condition.
An organism homozygous for a recessive gene.
References in periodicals archive ?
AdRP represents 15-20% of all cases of RP, arRP comprises 20-25% of cases and the X-linked recessive type makes up 10-15% of cases.
G2P-hex also effectively describes why dominant mode does not skip any generation (because all kinds of parent unions involving at least one affected allele result in affected offspring) whereas recessive mode tend to skip generations (because of possibility of producing all normal offspring though carriers of disease in 0-1 and 0-2 parent unions in autosomal recessive and F1-M0 union in X-linked recessive modes).
Caption: One of the 30 patients with recessive dystrophic EB who received a bone marrow transplant, Elisa McCann has, improved quality of life and is able to participate in normal childhood activities at about 2 years posttransplant.
Harlequin baby syndrome- a rare autosomal recessive skin disorder.
Further evidence for autosomal recessive inheritance.
On the other hand, a case with a recessive meaning, while existing in the Beserman dialect, has never been attested in the literary language (except for a single dubious example, see 3.
4] using a large cohort of patients worldwide, and clinical features of recessive and dominant IFNGR1 disorders were assessed.
The most critical situation is the recessive bit after five dominants.
1) Inheritance of CMT can be autosomal dominant (AD), autosomal recessive (AR), or X-linked.
The characteristic feature of malignant infantile osteopetrosis (MIOP), an autosomal recessive disorder, is the decreased activity of osteoclasts leading to generalized bone osteosclerosis.
A large number of genetic diseases are caused by recessive mutations, which are harmless when present in one copy of a gene, but can lead to severe or lethal disorders if present in both.