sex-linked is normally involving X chromosome sex chromosome normally involving Y chromosome
The 23rd chromosome in human DNA is called the sex chromosome, and it determines the gender of the baby. A chromosome of XX is unique to girls, and XY is for boys. http://www.genome.gov/10001772 This link is to the National Human Genome Research Institute, for more in-depth information.
Disabilities or disorders that are linked to reproduction or sex For more info Google IT!
A chromatid is one-half of two identical copies of a replicated chromosome. During cell division, the identical copies are joined together at the region of the chromosome called the centromere. They are known as sister chromatids. Once the paired sister chromatids separate from one another in anaphase of mitosis, each is known as a daughter chromosome. [source: About.com/Biology, see link below]
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34, see related link for zoological data and genetics.
Researchers suspect a possible link may be found on Chromosome 16. It has been a target of study by Crohns disease researchers lately and Chromosome 16 probably contains between 850 and 1,200 genes. With 90 million base pairs to study, it is a huge job.
Chromosome 5.The gene is known as TERT (or, in humans, hTERT) and is the most distal gene on the short arm of chromosome 5 (5p). Its location is 5p15.33. For more detail, see the link below.
The genotype for Neurofibromatosis is typically inherited in an autosomal dominant pattern, caused by mutations in the NF1 gene located on chromosome 17. Individuals with Neurofibromatosis usually have a mutation in one copy of the NF1 gene.
In genetics, this refers to the phenotype of an allele that is related to the X-chromosome. It is a type of sex linkage.
Heredity plays a role in the predisposition to mental disorders. Certain mental disorders, such as schizophrenia and bipolar disorder, have a genetic component that can increase the risk of developing the disorder if there is a family history. However, environmental factors also interact with genetic predispositions to influence the development of mental disorders.
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Potentially the most important genetic link was discovered in the early 1990s on chromosome 19. A gene on this chromosome, called apoE, codes for a protein involved in transporting lipids into neurons.