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Educational Resources
A bacterial artificial chromosome (BAC) is an engineered DNA molecule used to clone DNA sequences in bacterial cells (for example, E. coli).
… Bacterial Artificial Chromosome (BAC) … A bacterial artificial chromosome (BAC) is an engineered DNA molecule used to clone … E. coli). … Cloning, Bacteria, Bioengineering, DNA Sequencing, Base Pair, Chromosomes … A bacterial artificial …
News Release
NHGRI researchers have produced the first end-to-end DNA sequence of a human chromosome. The results show that generating a precise, base-by-base sequence of a human chromosome is now possible, and will enable researchers to produce a complete sequence of the human genome.
… have produced the first end-to-end DNA sequence of a human chromosome. The results, published today in the journal … generating a precise, base-by-base sequence of a human chromosome is now possible, and will enable researchers to … incredibly long, consisting of about 6 billion bases, DNA sequencing machines cannot read all the bases at once. …
News Release
Extending noninvasive prenatal screening to all 24 human chromosomes can detect genetic disorders that explain miscarriage and abnormalities during pregnancy.
… condition in which there are three instances of a certain chromosome instead of the standard two. "Extending our … tested for during pregnancy. New research suggests sequencing all 24 chromosomes to uncover other, rare … cohort. For each, researchers calculated a normalized chromosome denominator quality (NCDQ), which measures the …
Fact Sheets
The Y chromosome of all living men is related through a single male ancestor who lived over 100,000 years ago.
… The Y chromosome of all living men is related through a single male … over 100,000 years ago.     … 12 Neat Facts About the Y chromosome In the nucleus of each cell, the DNA molecule is … biologically male individuals have one X and one Y chromosome (XY) while those who are biologically female have …
Archive
… Down Syndrome Research Expedited by Decoding of Human Chromosome 21 - Second Human Chromosome Sequenced by the Human Genome Project … Archive …
Educational Resources
Yeast artificial chromosome (YAC) is a human-engineered DNA molecule used to clone DNA sequences in yeast cells.
… Yeast Artificial Chromosome (YAC) … Yeast artificial chromosome (YAC) is a human-engineered DNA molecule used to … YACs are often used in connection with the mapping and sequencing of genomes. Segments of an organism's DNA, up to …
Educational Resources
A contig is a series of overlapping DNA sequences used to make a map that reconstructs the original DNA sequence of a chromosome or a region of a chromosome.
… a map that reconstructs the original DNA sequence of a chromosome or a region of a chromosome. … DNA Sequences, DNA Mapping, Chromosomes … A … map that reconstructs the original DNA sequence of a chromosome or a region of a chromosome. A contig can also …
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
Gene mapping is the process of establishing the locations of genes on the chromosomes.
… the chromosomes. … Chromosomes, Linkage Analysis, Genome Sequencing, DNA Sequencing, Chromosomes … Gene mapping is the process of … analysis. The closer two genes are to each other on the chromosome, the more likely it is that they will be inherited …
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 … for detecting and locating a specific DNA sequence on a chromosome. The technique relies on exposing chromosomes to a …