Definition Of Gene Segment
2 a zygotic gene responsible for the formation of body segments.
Definition of gene segment. They are classified into 3 groups. Wikipedia lexilogos oxford cambridge chambers harrap wordreference collins lexibase dictionaries merriam webster. A hereditary unit consisting of a sequence of dna that occupies a specific location on a chromosome and is transcribed into an rna molecule that may function directly or be translated into an amino acid chain. Differentiation of cells and tissues in the early embryo that establishes the form and structure of the various organs and parts.
Gene definition the basic physical unit of heredity. Segment identity genes source. A region of the genome. Genes that determine the type of differentiation the cells in a specific drosophila segment will undergo.
Segmentation genes 1 any of the genes involved in the early stages of pattern formation in the embryo. A linear sequence of nucleotides along a segment of dna that provides the coded instructions for synthesis of rna which when translated into protein leads to the expression of hereditary character. A dictionary of genetics author s. Search gene segment and thousands of other words in english definition and synonym dictionary from reverso.
In drosophila the segmentation genes code for products responsible in. The basic biological unit of heredity. There are many types of genomic regions. You can complete the definition of gene segment given by the english definition dictionary with other english dictionaries.
Morphogenesis mor fo jen ĕ sis the developmental changes of growth and differentiation occurring in the organization of the body and its parts. It encompasses objects described as loci or probes. German gen from gen begetting in greek words such as genos race. Gap genes pair rule genes and segment polarity genes.
Supplement the segmentation genes are classified into three groups. A segment of deoxyribonucleic acid dna needed to contribute to a function. Gap genes pair rule genes and segment polarity genes. In the absence of demonstrated function a gene may be characterized by sequence transcription or homology.
According to the official guidelines for human gene nomenclature a gene is defined as a dna segment that contributes to phenotype function. Genomic segments can range in size from points to regions as large as an entire chromosome.