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Fact Sheets
Chromosome abnormalities can either be numerical or structural and usually occur when there is an error in cell division.
Chromosome abnormalities can be numerical or structural. A numerical … instead of a pair. A structural abnormality means the chromosome's structure has been altered in one of several … is called a karyotype. The karyotype can help identify abnormalities in the structure or the number of chromosomes. …
Archive
… 1959: Chromosome Abnormalities Identified … Archive …
Archive
… Scientists find that chromosomal abnormalities are associated with aging and cancer … Archive …
Educational Resources
Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it reattaches to a different chromosome.
… is a type of chromosomal abnormality in which a chromosome breaks and a portion of it reattaches to a different chromosome. … Chromosome, Karyotype, Mutation, Spectral Karyotype (SKY) … A …
News Release
Extending noninvasive prenatal screening to all 24 human chromosomes can detect genetic disorders that explain miscarriage and abnormalities during pregnancy.
… detect genetic disorders that may explain miscarriage and abnormalities during pregnancy, according to a study by … condition in which there are three instances of a certain chromosome instead of the standard two. "Extending our … cohort. For each, researchers calculated a normalized chromosome denominator quality (NCDQ), which measures the …
Educational Resources
The Y chromosome is one of the two sex chromosomes that are involved in sex determination.
… Y Chromosome … The Y chromosome is one of the two sex chromosomes that are involved in sex determination. … Chromosome, Mutation, Sex Chromosome, Sex Linked, X Chromosome, Y Chromosome, …
Educational Resources
The X chromosome is one of the two sex chromosomes that are involved in sex determination.
… X Chromosome … The X chromosome is one of the two sex chromosomes that are involved in sex determination. … Cell, Chromosome, Sex Linked, Y Chromosome, Gene, Mutation, Genome, Base Pair … The X …
Educational Resources
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 … to carry the genomic information from cell to cell. … X Chromosome, Y Chromosome, Family Health History, DNA, Genes, Chromatin … …
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 …
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 …