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Bio 101 Homework 2 Prof. Fournier
Bio 101 Homework 2 Prof. Fournier

... 26. Although genetic mutations may occur spontaneously in organisms, the incidence of such mutations may be increased by A) B) C) D) ...
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PRESENTED BY Prof. c.o.n. ikeobi
PRESENTED BY Prof. c.o.n. ikeobi

... The results of the sequence was used to design the restriction enzyme that will make a cut in the sequence using NEBCUTTER (an online tool). The resulting bands from the digested product was then genotyped manually to know whether the animal was homozygous or heterozygous for the DRB gene. HpyAV 5'. ...
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Lateral gene transfer between prokaryotes and multicellular

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introduction - Genomics
introduction - Genomics

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genetics exam 2 2002

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... a) Explain with the help of an example the inheritance of X-linked dominant genes in humans. b) A couple have a colour blind daughter and a son with normal vision. What could be the genotypes of their parents? ...
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Lab Module 8 - philipdarrenjones.com

... Figure. Transcription: from DNA to mRNA In the first of the two stages of making protein from DNA, a gene on the DNA molecule is transcribed into a complementary mRNA molecule. From RNA to Protein: Translation Like translating a book from one language into another, the codons on a strand of mRNA mus ...
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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. Some genetic traits are instantly visible, such as eye colour or number of limbs, and some are not, such as blood type, risk for specific diseases, or the thousands of basic biochemical processes that comprise life.Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotype traits. Colloquial usage of the term ""having a gene"" (e.g., ""good genes,"" ""hair colour gene"") typically refers to having a different allele of the gene. Genes evolve due to natural selection or survival of the fittest of the alleles.The concept of a gene continues to be refined as new phenomena are discovered. For example, regulatory regions of a gene can be far removed from its coding regions, and coding regions can be split into several exons. Some viruses store their genome in RNA instead of DNA and some gene products are functional non-coding RNAs. Therefore, a broad, modern working definition of a gene is any discrete locus of heritable, genomic sequence which affect an organism's traits by being expressed as a functional product or by regulation of gene expression.
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