Variations in genes for a trait causes different forms. Each of these variations of a gene is an allele. The two alleles in a pair of genes are... View Article
Aneuploidy is a condition in which the number of chromosomes is abnormal. Those individuals whose number of chromosomes differs or deviates from... View Article
Genes which are placed close enough on a chromosome have the tendency to 'stick together'. On chromosomes, the alleles of such genes have the... View Article
A rare bone development, Charlie M syndrome, belongs to a group of oromandibular limb hypogenesis syndrome. That includes glossopalatine... View Article
Broadly, chronic diseases can be defined as conditions which last for one year or more or that which requires ongoing medical regulation on a... View Article
Adults, teens and older children usually do not have the tendency to develop autism. In order to qualify for an autism spectrum diagnosis, one... View Article
An additional chromosome leads to a chromosomal condition - trisomy wherein a person has 47 chromosomes rather than the ideal 46 chromosomes.... View Article
There are few reasons why chromosomal abnormalities take place - Exposure to particles causing birth defects (teratogens) Errors during... View Article
Health experts suggest women of reproductive age consume folic acid of a particular quantity on a daily basis in addition to healthy food to... View Article
As per studies, moderately unusual forms of sperms are linked with irregularities of semen such as motility or low sperm count. This has been... View Article
Mitochondrial DNA is inherited from the mother only. Generally, people have two copies of each chromosome, one is inherited through the egg from... View Article
Genetic disorders are known to be caused by mutations in a single gene or multiple genes or due to a combination of gene mutations along with... View Article
Autism spectrum disorder explains several neurodevelopmental disorders whose exact cause is not decoded yet. Recent studies suggest that there is... View Article
A rare congenital condition, Jacobsen syndrome, is caused due to the deletion of some genetic content from the chromosome 11. Since the deletion... View Article
The three types of Down's syndrome are - Trisomy 21, Mosaic Down Syndrome and Translocation Down Syndrome. Trisomy 21 - This is the most... View Article
Some of the diseases caused by chromosomal abnormalities are - Klinefelter syndrome, Down syndrome, Turner syndrome, trisomy 13, Wolf-Hirschhorn... View Article
The occurrence of some diseases is very rare. Some are - chromosome 10, distal trisomy 10q. Mosaic trisomy 16, Trisomy 17 mosaicism (the rarest... View Article
