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Fluorescence in situ hybridization (FISH) provides researchers with a way to visualize and map the genetic material in an individual's cell.
… may be used for understanding a variety of chromosomal abnormalities and other genetic mutations. … reside on a person's chromosomes. When a probe binds to a chromosome, its fluorescent tag provides a way for … Locus specific probes bind to a particular region of a chromosome. This type of probe is useful when scientists have …
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Sex linked is a trait in which a gene is located on a sex chromosome.
… Sex linked is a trait in which a gene is located on a sex chromosome. … Cell, Mutation, Gene, Sex Chromosome … refers to traits or disorders influenced by genes on the X chromosome, as it contains many more genes than the smaller Y chromosome. Males, who have only a single copy of the X …
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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 … chromatids are joined at a constricted region of the chromosome called the centromere. During cell division, …
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A centromere is a constricted region of a chromosome that separates it into a short arm (p) and a long arm (q).
… A centromere is a constricted region of a chromosome that separates it into a short arm (p) and a long … 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 …
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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, … inactivation prevents females from having twice as many X chromosome gene products as males, who possess only a single …
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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 …
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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 … is a DNA sequence with a known physical location on a chromosome. Genetic markers can help link an inherited … responsible gene. DNA segments close to each other on a chromosome tend to be inherited together. Genetic markers are …
Genetic Disorders
The porphyrias are a group of different diseases, each caused by a specific abnormality in the heme production process.
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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 … production of one or more copies of a gene or region of a chromosome. …
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. … 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 …