What is a gene with example

Or if your mom has freckles, you might have freckles too because you inherited the trait for freckles.Gametes fuse to form a distinct individualGene as a noun means the definition of a gene is a unit on a chromosome that determines a specific trait in an organism, or a male's name.A specific sequence of nucleotides in dna or rna that is located usually on a chromosome and that is the functional unit of inheritance controlling the transmission and expression of one or more traits by specifying the structure of a particular polypeptide and especially a protein or controlling the function of other genetic materialAny time a gene is introduced into a population where that gene once did not exist, gene flow has occurred.

Examples of this type of reproduction include budding, regeneration, and parthenogenesis.It is then translated to protein (translation), which is normally the functional product of the gene.For example, whereas the human genome contains an estimated 20,000 to 25,000 genes, the genome of the bacterium escherichia coli o157:h7 houses precisely 5,416 genes.Cells have a finely tuned mechanism for correcting mutations at checkpoints during cell division, which detects most mutations.Genes are responsible for the expression of traits.

From wolves, dogs have changed almost every aspect of their appearance in one population or another.For example, the genes for antibiotic resistance are usually encoded on bacterial plasmids and can be passed between individual cells, even those of different species, via horizontal gene transfer.Once dna proofreading is completed, the cell proceeds to the next stage of the cell cycle.An example of a viral gene would be balf5.Each chromosome contains many genes.

National library of medicine topics in the cells and dna chapterGene expression is an important process to develop various biological functions and drive the phenotypes [2].