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Thirdly, genes that influence one learning disability (e.g., reading disability) are largely the same as those that influence other learning disabilities (e.g., mathematics disability). The Generalist Genes hypothesis has important implications for education, cognitive sciences and molecular genetics. [2] [3] [4]
These are characters only expressed in one sex. They may be caused by genes on either autosomal or sex chromosomes. [17] Examples: female sterility in Drosophila; and many polymorphic characters in insects, especially in relation to mimicry. Closely linked genes on autosomes called "supergenes" are often responsible for the latter. [18] [19] [20]
Y linkage, also known as holandric inheritance (from Ancient Greek ὅλος hólos, "whole" + ἀνδρός andrós, "male"), [1] describes traits that are produced by genes located on the Y chromosome. It is a form of sex linkage. Y linkage can be difficult to detect.
X-linked recessive inheritance. X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be always expressed in males (who are necessarily hemizygous for the gene mutation because they have one X and one Y chromosome) and in females who are homozygous for the gene mutation (see zygosity).
Molecular genetics often applies an "investigative approach" to determine the structure and/or function of genes in an organism's genome using genetic screens. [1] [2] The field of study is based on the merging of several sub-fields in biology: classical Mendelian inheritance, cellular biology, molecular biology, biochemistry, and biotechnology ...
DLX genes are involved in craniofacial morphogenesis [9] [10] and the tangential migration of interneurons from the subpallium to the pallium during vertebrate brain development. [11] It has been suggested that DLX promotes the migration of interneurons by repressing a set of proteins that are normally expressed in terminally differentiated ...
The human genome is the total collection of genes in a human being contained in the human chromosome, composed of over three billion nucleotides. [2] In April 2003, the Human Genome Project was able to sequence all the DNA in the human genome, and to discover that the human genome was composed of around 20,000 protein coding genes.
Genetic sexual attraction is a hypothesis that attraction may be a product of genetic similarities. [1]: 200 While there is scientific evidence for the position, [1]: 200 some commentators regard the hypothesis as pseudoscience. [2]