how are genes alleles and chromosomes relate to each other?
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Alleles are different forms of same gene. Genes are linearly arranged on chromosomes. Chromosomes contain genetic material of cell i.e. DNA. So chemically alleles, genes, chromosomes are all DNA !
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An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring.
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Homologous chromosomes are chromosome pairs, one from each parent, that are similar in length, gene position and centromere location. ... Each carries the same genes in the same order, but the alleles for each trait may not be the same.
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A gene is a region of DNA that code for a protein. It can come in different forms, called alleles. The locus tells were a particular gene or allele is located on a chromosome. Any heterozygous genotype means two different alleles so it would include a dominant and a recessive allele (Bb).
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When genes are close together on a chromosome, the alleles on the same chromosome tend to be inherited as a unit more frequently than not. Such genes do not display independent assortment and are said to be linked.
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Dominant and recessive genes When the 23 chromosomes from the father's sperm and the 23 from the mother's egg meet, they pair up. The genes on the chromosomes pair up, too. The paired genes, one from each parent, carry the plans for the same part of the body.
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Describe the relationship between genes and proteins. Each gene tells the cell how to put together the building blocks for one specific protein. However, the gene (DNA) sits inside a different compartment of the cell (the nucleus) from the location of the cellular machines that make proteins (ribosomes).
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A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. ... Chromosomes occur in pairs so organisms have two alleles for each gene — one allele in each chromosome in the pair.
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Notes: Genes are DNA sequences instruct cells to produce particular proteins, which in turn determine traits. Chromosomes are strings of genes. Mutations are changes in gene's DNA sequence. RNA is somewhat similar to DNA; they both are nucleic acids of nitrogen-containing bases joined by sugar-phosphate backbone.
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Linked genes are never separated. Crossing over produces recombinants. Genes are located in the chromosomes in a linear fashion.
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A gene is a specific section of a chromosome where the base pairs that code for the characteristic are stored whereas an allele is the actual sequence of the base pairs in the section.
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In biology, homologous chromosomes are paired chromosomes. They essentially have the same gene sequence, loci (gene position), centromere location, and chromosomal length. Although they may have the same genetic sequence and loci, they may differ in alleles.
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What is the difference between a locus and an allele? An allele is an alternate form of a gene and a locus is the location of that gene on a chromosome.
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An allele is a combination of one, two or more genes which together bear a single characteristic. Alleles can be dominant or recessive. A genotype is a combination of two or more alleles and bears a phenotype. A genotype can be homozygous or heterozygous and can contain one or more alleles.
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Homologous Chromosome Function While each homologous chromosome carries the same genes, they can carry different versions of the gene. Different versions of a gene are called alleles. This means that your cells will typically produce 2 versions of every protein encoded by the DNA.
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Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene.
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Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes.