Biomaterial Database

Transmission of a ring chromosome 18 from a mother with 46,XX/47,XX, + r(18) mosaicism to her daughter, resulting in a 46,XX,r(18) karyotype. 1993

J Jenderny, and A Caliebe, and C Beyer, and W Grote

Department of Human Genetics, Christian-Albrechts-Universität zu Kiel, Germany.

A 6 month old patient is reported with a ring chromosome 18 confirmed by cytogenetic studies and in situ hybridisation. Her clinical features were similar to previous cases of ring chromosome 18 syndrome. The ring chromosome was inherited from the phenotypically and mentally normal mother with a mos 46,XX/47,XX, + r(18) karyotype.

UI	MeSH Term	Description	Entries
D007231	Infant, Newborn	An infant during the first 28 days after birth.	Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D009030	Mosaicism	The occurrence in an individual of two or more cell populations of different chromosomal constitutions, derived from a single ZYGOTE, as opposed to CHIMERISM in which the different cell populations are derived from more than one zygote.
D010641	Phenotype	The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.	Phenotypes
D002869	Chromosome Aberrations	Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS.	Autosome Abnormalities,Cytogenetic Aberrations,Abnormalities, Autosome,Abnormalities, Chromosomal,Abnormalities, Chromosome,Chromosomal Aberrations,Chromosome Abnormalities,Cytogenetic Abnormalities,Aberration, Chromosomal,Aberration, Chromosome,Aberration, Cytogenetic,Aberrations, Chromosomal,Aberrations, Chromosome,Aberrations, Cytogenetic,Abnormalities, Cytogenetic,Abnormality, Autosome,Abnormality, Chromosomal,Abnormality, Chromosome,Abnormality, Cytogenetic,Autosome Abnormality,Chromosomal Aberration,Chromosomal Abnormalities,Chromosomal Abnormality,Chromosome Aberration,Chromosome Abnormality,Cytogenetic Aberration,Cytogenetic Abnormality
D002887	Chromosomes, Human, Pair 18	A specific pair of GROUP E CHROMOSOMES of the human chromosome classification.	Chromosome 18
D005260	Female		Females
D005532	Foot Deformities, Congenital	Alterations or deviations from normal shape or size which result in a disfigurement of the foot occurring at or before birth.	Congenital Foot Deformities,Congenital Foot Deformity,Deformities, Congenital Foot,Deformity, Congenital Foot,Foot Deformity, Congenital
D006257	Head	The upper part of the human body, or the front or upper part of the body of an animal, typically separated from the rest of the body by a neck, and containing the brain, mouth, and sense organs.	Heads
D006330	Heart Defects, Congenital	Developmental abnormalities involving structures of the heart. These defects are present at birth but may be discovered later in life.	Congenital Heart Disease,Heart Abnormalities,Abnormality, Heart,Congenital Heart Defect,Congenital Heart Defects,Defects, Congenital Heart,Heart Defect, Congenital,Heart, Malformation Of,Congenital Heart Diseases,Defect, Congenital Heart,Disease, Congenital Heart,Heart Abnormality,Heart Disease, Congenital,Malformation Of Heart,Malformation Of Hearts
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man