gene definition biology gcse
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Gene Gene. Definition. noun, plural: genes. (cell and molecular biology). The fundamental, physical, and functional unit of heredity. Supplement. It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism.It also specifies the structure of a protein, and an RNA molecule. A gene is formerly called a factor.upplement. It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism. It also specifies the structure of a protein, and an RNA molecule.
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- Full Definition of GENETICS. 1. : a branch of biology that deals with the heredity and variation of organisms. 2. : the genetic makeup and phenomena of an organism, type, group, or condition.— ge·net·i·cist \-ˈne-tə-sist\ noun. ADVERTISEMENT.ull Definition of GENETICS. 1. : a branch of biology that deals with the heredity and variation of organisms. 2. : the genetic makeup and phenomena of an organism, type, group, or condition. — ge·net·i·cist \-ˈne-tə-sist\ noun. ADVERTISEMENT.
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DNA, Genes and Chromosomes Genes. The gene is the basic physical and functional unit of heredity. It consists of a specific sequence of nucleotides at a given position on a given chromosome that codes for a specific protein (or, in some cases, an RNA molecule).econd, it can store information in the linear sequence of the nucleotides along each strand. DNA helix showing nitrogenous bases. It is the order of the bases along a single strand that constitutes the genetic code. The four-letter 'alphabet' of A, T, G and C forms 'words' of three letters called codons.
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Words near gene in the dictionary noun. The definition of a gene is a unit on a chromosome that determines a specific trait in an organism, or a male's name. 1  An example of a gene is a chromosome unit that determines a person's eye color.2  An example of a man named Gene is the actor Gene Wilder.ene. noun. 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.
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Latest News A gene is a basic unit of heredity in a living organism that normally resides in long strands of DNA called chromosomes. Genes are coded instructions that decide what the organism is like, how it behaves in its environment and how it survives.roteins are chains of chemical building blocks called amino acids. A protein may contain a few amino acids or it could have several thousands. The size of a protein is an important physical characteristic that provides useful information including changes in conformation, aggregation state and denaturation.
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neighbourhood Noun. 1. neighbourhood-a surrounding or nearby region; the plane crashed in the vicinity of Asheville; it is a rugged locality; he always blames someone else in the immediate neighborhood; I will drop in on you the next time I am in this neck of the woods. locality, neck of the woods, neighborhood, vicinity.. district, community, quarter, region, surroundings, locality, locale It seemed like a good neighbourhood to raise my children. 2. vicinity, confines, proximity, precincts, environs, purlieus the loss of woodlands in the neighbourhood of large towns. Related words.
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- The modern working definition of a gene is a portion (or sequence) of DNA that codes for a known cellular function or process (e.g. the function make melanin molecules). A single 'gene' is most similar to a single 'word' in the English language. The nucleotides (molecules) that make up genes can be seen as 'letters' in the English language. Nucleotides are named according to which of the four nitrogenous bases they contain. The four bases are cytosine, guanine, adenine, and thymine.
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GENES GENES. A gene is a small piece of the genome. It's the genetic equivalent of the atom: As an atom is the fundamental unit of matter, a gene is the fundamental unit of heredity. Genes are found on chromosomes and are made of DNA.Different genes determine the different characteristics, or traits, of an organism.ENES. A gene is a small piece of the genome. It's the genetic equivalent of the atom: As an atom is the fundamental unit of matter, a gene is the fundamental unit of heredity. Genes are found on chromosomes and are made of DNA.
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gene Definition of GENE for Kids. : a unit of DNA that is usually located on a chromosome and that controls the development of one or more traits and is the basic unit by which genetic information is passed from parent to offspring.
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What is the definition of gene?   A gene is a part of DNA which constitutes of certain defined sequence of nucleotides that code for a specific amino acid. They are the hereditary blocks of DNA and are t … ransmitted from one generation to the other in a particular species. 3 people found this useful.
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gene structural gene-a gene that controls the production of a specific protein or peptide. suppresser gene, suppressor gene, suppresser, suppressor-a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene). transgene-an exogenous gene introduced into the genome of another organism.
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Direct Loans/Parent PLUS Loans Both disbursements will be after the drop/add period. Spring only. 1 st Disbursement after drop add period, 2 nd 50% point of semester. The first loan disbursements for each semester, for loans that were processed in time, are normally set for the first week after the completion of the drop/add period.
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gene gene. A segment of DNA, occupying a specific place on a chromosome, that is the basic unit of heredity. Genes act by directing the synthesis of proteins, which are the main components of cells and are the catalysts of all cellular processes.uch of the answer lies in the genes, the basic units of heredity. Each gene is a specific segment of DNA, occupying a fixed place on a chromosome. Genes contain the chemical information needed to create different kinds of proteins.
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gene gene. the structural unit of inheritance in living organisms. A gene is, in essence, a segment of DNA that has a particular purpose, i.e., that codes for (contains the chemical information necessary for the creation of) a specific enzyme or other protein.
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- Definition of gene for Students. : a unit of DNA that is usually located on a chromosome and that controls the development of one or more traits and is the basic unit by which genetic information is passed from parent to offspring.
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gene gene. A segment of DNA, occupying a specific place on a chromosome, that is the basic unit of heredity. Genes act by directing the synthesis of proteins, which are the main components of cells and are the catalysts of all cellular processes.oun. 1. gene - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; genes were formerly called factors.
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Licensed Practical Nurse Clinical. LPN Certification. Licensed Practical Nurses perform a variety of tasks under the supervision of a registered nurse. They administer medicine and injections, and take vital signs. Starting your career as an LPN is a great way to become a registered nurse.
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What is a gene? A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases. The Human Genome Project has estimated that humans have between 20,000 and 25,000 genes. Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes (less than 1 percent of the total) are slightly different between people.
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- Definition of Gene Expression. A gene is a small piece of genetic material written in a code and called DNA. Each gene has within it a set of instructions for making molecules that organisms need to survive. Genes themselves cannot be used by an organism.efinition of Gene Expression. A gene is a small piece of genetic material written in a code and called DNA. Each gene has within it a set of instructions for making molecules that organisms need to survive. Genes themselves cannot be used by an organism.
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- gene - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; genes were formerly called factors. cistron, factor.ene - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; genes were formerly called factors. cistron, factor.
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Gene A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. Most biological traits are under the influence of polygenes (many different genes) as well as the gene–environment interactions.
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What Is Gene Expression? - Regulation, Analysis & Definition Definition of Gene Expression. A gene is a small piece of genetic material written in a code and called DNA. Each gene has within it a set of instructions for making molecules that organisms need to survive. Genes themselves cannot be used by an organism. Instead they must be turned into a gene product. Gene expression is the process by which the information contained within a gene becomes a useful product.
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gene mutation. in biology, a sudden, random change in a gene gene,the structural unit of inheritance in living organisms. A gene is, in essence, a segment of DNA that has a particular purpose, i.e., that codes for (contains the chemical information necessary for the creation of) a specific enzyme or other protein......
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- A gene is a region of DNA that encodes function. A chromosome consists of a long strand of DNA containing many genes. A human chromosome can have up to 500 million base pairs of DNA with thousands of genes. A gene is a locus (or region) of DNA which is made up of nucleotides and is the molecular unit of heredity. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. Most biological traits are under the influence of polygenes (many different genes) as well as the gene–environment interactions.
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- gene (jēn) A segment of DNA, occupying a specific place on a chromosome, that is the basic unit of heredity. Genes act by directing the synthesis of proteins, which are the main components of cells and are the catalysts of all cellular processes.
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Gene - what is, definition and function Gene-what is, definition and function. Gene is a segment of coding DNA (DNA that instructs the structure and function of cells throughout the body) composed of a specific sequence of nucleotides.