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Sequence coverage (or depth) is the number of unique reads that include a given nucleotide in the reconstructed sequence. [1] [2] Deep sequencing refers to the general concept of aiming for high number of unique reads of each region of a sequence. [3] Physical coverage, the cumulative length of reads or read pairs expressed as a multiple of ...
Making a karyotype, an online activity from the University of Utah's Genetic Science Learning Center. Karyotyping activity with case histories from the University of Arizona's Biology Project. Printable karyotype project from Biology Corner, a resource site for biology and science teachers. Chromosome Staining and Banding Techniques
Genes can be isolated through genomic libraries and used on human cell lines or animal models to further research. [17] Furthermore, creating high-fidelity clones with accurate genome representation and no stability issues would contribute well as intermediates for shotgun sequencing or the study of complete genes in functional analysis. [10]
The following formula takes into account the most important variables that can affect depth of coverage (N=40DG÷R) where "N" is the number of reads, "D" is the desired depth of coverage, "G" is the size of DNA target in base pair, and "R" is final read length.
The coding region of a gene, also known as the coding DNA sequence (CDS), is the portion of a gene's DNA or RNA that codes for a protein. [1] Studying the length, composition, regulation, splicing, structures, and functions of coding regions compared to non-coding regions over different species and time periods can provide a significant amount of important information regarding gene ...
Gene dosage is the number of copies of a particular gene present in a genome. [1] Gene dosage is related to the amount of gene product (proteins or functional RNAs) the cell is able to express. Since a gene acts as a template, the number of templates in the cell contributes to the amount of gene product able to be produced.
In molecular biology, genome architecture mapping (GAM) is a cryosectioning method to map colocalized DNA regions in a ligation independent manner. [1] [2] It overcomes some limitations of Chromosome conformation capture (3C), as these methods have a reliance on digestion and ligation to capture interacting DNA segments. [3]
Modifier genes can alter the expression of other genes in either an additive or multiplicative way. [3] Meaning the phenotype that is observed can be a result of two different alleles (gene variants) being summed or multiplied. However, a reduction in expression may also occur in which the primary locus, where the gene is located, is affected. [4]