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Celiac disease is associated with genes located on chromosome 6, particularly the HLA-DQ2 and HLA-DQ8 genes. These genes play a role in the immune response to gluten, the protein found in wheat, rye, and barley that triggers the autoimmune response in individuals with celiac disease.
Yes, animals have chromosome 21. It may vary in size or gene content depending on the species. In humans, chromosome 21 is associated with conditions such as Down syndrome.
The human genes associated with color vision are located on the X chromosome. Specifically, the genes for three types of color receptors (cones) - blue, green, and red - are located on the X chromosome. This is why color blindness, which is more common in men, is often linked to mutations in these genes due to their presence on the X chromosome.
The 17th human chromosome is known as chromosome 17. It is one of the 23 pairs of chromosomes in humans and contains around 1,200 genes. Chromosome 17 is associated with various genetic disorders and traits, including Smith-Magenis syndrome and hereditary breast and ovarian cancer.
A single molecule of DNA consists of a double helix structure made up of nucleotides. Associated proteins, such as histones, help package and organize the DNA into chromatin. Together, the DNA and proteins form chromosomes within the nucleus of a cell.
Regions of the chromosome with few functional genes are called gene deserts or gene-poor regions. These regions typically have a lower density of genes compared to other parts of the chromosome, and are often associated with non-coding DNA or regulatory elements.