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Educational Resources
A chromatid is one of two identical halves of a replicated chromosome.
… A chromatid is one of two identical halves of a replicated chromosome. … Chromosome, Cell Division, Cell Biology, DNA Replication … A chromatid is one of the two identical halves of a chromosome that has been replicated in preparation for cell …
Educational Resources
A genetic marker is a DNA sequence with a known physical location on a chromosome.
… is a DNA sequence with a known physical location on a chromosome. … Genetic Marker, DNA Sequence, Chromosome, Genetic Disease, Inheritance … A genetic marker … is a DNA sequence with a known physical location on a chromosome. Genetic markers can help link an inherited …
Educational Resources
Diploid is a cell or organism that has paired chromosomes, one from each parent.
… in an organism’s cells, with each parent contributing a chromosome to each pair. Humans are diploid, and most of the …
Genetic Disorders
The porphyrias are a group of different diseases, each caused by a specific abnormality in the heme production process.
Staff
Dr. Paul Liu is a senior investigator in NHGRI's Translational and Functional Genomics Branch. ​
… discovered that a CBFB-MYH11 fusion gene is the product of chromosome 16 inversion, a common chromosome abnormality in human acute myeloid leukemia. Using … year, leukemias are frequently associated with chromosome abnormalities such as translocations, inversions and …
Educational Resources
Duplication is a type of mutation that involves the production of one or more copies of a gene or region of a chromosome.
… production of one or more copies of a gene or region of a chromosome. … Mutation, Chromosome, Genes, Evolution … Duplication, as related to … production of one or more copies of a gene or region of a chromosome. … Educational Resources …
Educational Resources
A centromere is a constricted region of a chromosome that separates it into a short arm (p) and a long arm (q).
… Centromere … A centromere is a constricted region of a chromosome that separates it into a short arm (p) and a long arm (q). … Chromatid, Chromosome, Cell Division, DNA … The centromere appears as a constricted region of a chromosome and plays a key role in helping the cell divide up …
Educational Resources
Lyonization is commonly known as X-inactivation. In mammals, males receive one copy of the X chromosome while females receive two copies.
… In mammals, males receive one copy of the X chromosome while females receive two copies. … X-linked Disease, X-inactivation, X Chromosome, Y Chromosome, … Lyonization (also called X-inactivation) refers …
Genetic Disorders
Cri du chat syndrome is a rare genetic condition that is caused by the deletion of genetic material on the the p arm of chromosome 5.
… by the deletion of genetic material on the the p arm of chromosome 5. … Cri du chat syndrome - also known as 5p- … piece) of genetic material on the small arm (the p arm) of chromosome 5. The cause of this rare chromosomal deletion is … The missing portion (deletion) of the short arm of chromosome 5 may be seen on a chromosome analysis. If not, a …
Educational Resources
Fluorescence in situ hybridization (FISH) is a laboratory technique for detecting and locating a specific DNA sequence on a chromosome.
… for detecting and locating a specific DNA sequence on a chromosome. … Laboratory Experiment, DNA Sequence, Chromosome, Microscopy … Fluorescence in situ hybridization … used to detect and locate a specific DNA sequence on a chromosome. In this technique, the full set of chromosomes …