what is the relationship between linked genes?
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When genes are close together on the same chromosome, they are said to be linked. That means the alleles, or gene versions, already together on one chromosome will be inherited as a unit more frequently than not.
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These crossing over events occur in order to increase genetic variability in the gametes produced at the end of meiosis. Some genes that are inherited together from crossing over events are inherited more frequently than others, these are known as linked genes.
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Genes are segments of DNA which form tight coils called chromosomes. Chromosomes are segments of DNA which form tight coils called genes. Genes are segments of chromosomes which form tight coils called DNA.
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A gene is a short section of DNA. Your genes contain instructions that tell your cells to make molecules called proteins. Proteins perform various functions in your body to keep you healthy. Each gene carries instructions that determine your features, such as eye colour, hair colour and height.
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​Sex Linked Sex linked is a trait in which a gene is located on a sex chromosome. In humans, the term generally refers to traits that are influenced by genes on the X chromosome. ... In a sex-linked disease, it is usually males who are affected because they have a single copy of X chromosome that carries the mutation.
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Homozygous: You inherit the same version of the gene from each parent, so you have two matching genes. Heterozygous: You inherit a different version of a gene from each parent. They do not match.
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Which sentence best describes the relationship between genes and chromosomes? Genes are found within chromosomes. Genes and chromosomes are the only things that form the nucleus. Several chromosomes make up one gene.
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A gene is a stretch of DNA on a chromosome that has the instructions for making a protein. Each chromosome has many genes with humans having over 22,000 genes in all. A gene's instructions for a protein are written in the three letter code I referred to before. A protein is a molecular machine that does a specific job.
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Structural genes refer to a gene that codes for any RNA or protein product other than a regulatory factor, while regulatory genes refer to a gene involved in controlling the expression of one or more other genes. Thus, this is the main difference between structural and regulatory genes.
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Genes are composed of DNA arranged on chromosomes. Some genes encode structural or regulatory RNAs. Other genes encode proteins. Replication copies DNA; transcription uses DNA to make complementary RNAs; translation uses mRNAs to make proteins.
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Genes influence the social behavior of an individual through their effects on brain development and physiology. This linkage is sensitive to both genetic (VG) and environmental (VE) variation and to their interactions (VG × VE).
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The Human Genome Nomenclature Organization defines a gene as “a DNA segment that contributes to phenotype/function”. A gene is a linear section of DNA – of a chromosome – that contributes some function to the organism.
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As nouns the difference between relationship and linkage is that relationship is connection or association; the condition of being related while linkage is a mechanical device that connects things.
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The Relationship Between Genes and Proteins. Most genes contain the information require to make proteins. The journey from gene to protein is one that is complex and controlled within each cell and it consists of two major steps – transcription and translation. Together, these two steps are known as gene expression.
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DNA and RNA are composed of nucleotides that are linked to one another in a chain by chemical bonds, called ester bonds, between the sugar base of one nucleotide and the phosphate group of the adjacent nucleotide.
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Linkage between genes is broken down by recombination (crossing over). Linked genes do not follow Mendel's law of independent assortment, but are inherited together. Inheritance of genes are located on the same chromosome. The frequency of recombination between genes is related to the distance between them.
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Many conditions and diseases are related to genes in some way. Some mutations may be in a single gene, although most disorders are more complex. Many diseases, such as heart disease and diabetes, are caused by issues with multiple genes in combination with lifestyle and environmental factors.