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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 … Base Pair, Chromosomes … A bacterial artificial chromosome (BAC) is an engineered DNA molecule used to clone …
Talking Glossary
Chromosomes are threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell.
… Chromosome … Chromosomes are threadlike structures made of …
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 … of California, Santa Cruz, chose to complete the X chromosome sequence first, due to its link with a myriad of …
Educational Resources
Down syndrome is a genetic disease resulting from a chromosomal abnormality.
… in the inheritance of an extra full or partial copy of chromosome 21 from a parent. This extra chromosomal DNA …
Talking Glossary
Aneuploidy is an abnormality in the number of chromosomes in a cell due to loss or duplication. In humans, aneuploidy would be any number of chromosomes other than the usual 46.
News Release
The Telomere-to-Telomere (T2T) Consortium has generated the first truly complete sequence of a human Y chromosome - the final human chromosome to be fully sequenced.
… generated the first truly complete sequence of a human Y chromosome , the final human chromosome to be fully sequenced. The new sequence, which fills in gaps across more than 50% of the Y chromosome’s length, uncovers important genomic features with …
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 clone DNA sequences in yeast cells. … X Chromosome, Cell, Chromosome, Sex Linked, Deoxyribonucleic …
Educational Resources
An autosome is any of the numbered chromosomes, as opposed to the sex chromosomes.
… chromosomes, as opposed to the sex chromosomes. … X Chromosome, Y Chromosome, Genes … An autosome is one of the numbered … roughly in relation to their sizes. The largest autosome — chromosome 1 — has approximately 2,800 genes; the smallest …
Genetic Disorders
Turner syndrome is a chromosomal condition that alters development in females.
… or swelling (lymphedema) of the hands and feet, skeletal abnormalities, heart defects and kidney problems. This … syndrome is a chromosomal condition related to the X chromosome . [ghr.nlm.nih.gov] Researchers have not yet determined which genes on the X chromosome are responsible for most signs and symptoms of …
Genetic Disorders
Down syndrome is a chromosomal condition related to chromosome 21.
… Down syndrome is a chromosomal condition related to chromosome 21. It affects 1 in 800 to 1 in 1000 live born … syndrome is suspected in a person, a genetic test called a chromosome analysis is performed on a blood or skin sample to look for an extra chromosome 21 (trisomy 21). Trisomy 21 means that each cell …