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FLOW OF GENETIC INFORMATION
FLOW OF GENETIC INFORMATION

... The strands are twisted around each other forming the DNA helix (righthanded). ...
Scientific abstract
Scientific abstract

... Long non-coding RNAs are considered as transcripts that do not code for protein and are longer than 200 nucleotides. LncRNAs are not well studied yet and it is a new emerging field. Once it was discovered that these sequences are well conserved lncRNAs were considered as functional RNAs because cons ...
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... alter its function • Will get passed on and increase in frequency if it increases the reproductive fitness of its host ...
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... b. RNA polymerase recognizes and binds to specific regions of the DNA called introns. c. RNA editing removes the exons from pre-mRNA, leaving only the introns in the final molecule. d. RNA polymerase can make many molecules of RNA from a single DNA sequence. 13) After a cell has undergone meiosis, t ...
Study Questions – Chapter 1
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... was mapped, it took less than a year to find the gene. What had changed that made such a big difference in the timelines of these two projects? 16. What information can help evaluate the list of potential candidate genes located in the region to which a gene has been mapped? 17. How can an animal mo ...
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... The entire set of genes in an organism. It is your complete heritable genetic identity. ...
Diapositiva 1
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... Robustness  molecular and morphological diversification (evolutionary innovations) Heart development is controlled by a network of transcriptional factors genes, that have more duplications than in the ancestral. MEF2  myocyte enhancer factor 2 is responsible of the contractile proteins. Vertebrat ...
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... 3) What are gametes? What type of cellular division makes them? 4) What type of cellular division are sperm and eggs made from? 5) Which organ is responsible for making sperm in men? 6) Which organ is responsible for making and storing eggs in women? 7) What are the possible gametes from the followi ...
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Genetic Engineering and The Human Genome

... techniques, scientists can extract, cut, identify and copy DNA. DNA Extraction – simple chemical procedure to separate DNA. DNA Cutting – restriction enzymes cut particular DNA sequences. Separating DNA – gel electrophoresis. Copy – using polymerase chain reaction “PCR” ...
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... New technology allows the human genome to be sequenced very quickly and efficiently. The human genome project, which started in 1990, took 13 years to sequence the first human genome at a cost of $2.7 billion. Today a human genome can be sequenced in a few days for less than $10,000. Speed and cost ...
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... study how traits are inherited. Bred pea plants and discovered heritable characteristics. A two word significant award given to living scientists for their remarkable discoveries. A trait passed from parent to offspring is ___. A bird commonly found in cities; studied by Darwin to better understand ...
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... Sometimes the environment can change almost instantly  Eukaryotes have to respond as well, although typically not as drastically  With multicellular organisms, different types of cells express different sets of genes  Structural genes encode proteins involved in metabolic or biosynthetic pathways ...
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... -This Punnett square shows one parent with 2 recessive (yy) genes for pod color. -This Punnett square shows one parent with 1 recessive (y) and 1 dominant (Y) gene for pod color **when 2 letters go a walkin’ the big one does the talking. -This means that the only way an offspring (baby plant) can be ...
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... 1. What determines if an individual is male or female in mammals? 2. What sex chromosomes do females have? 3. What sex chromosomes do males have? 4. What sex chromosomes do birds and reptiles have? 5. What chromosomes do birds and reptile males have? 6. What chromosomes do birds and reptile females ...
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... The length of the inactive region varies from cell to cell. o As a result, inactivation of genes in this vicinity causes position effect variegation. Similar spreading effects occur at telomeres and at the silent cassettes in yeast mating type. ...
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... The base pairs The binding of two nucleotides forms a base pair. In DNA, cytosine and guanine are bound together by 3 hydrogen bonds, whereas adenine and thymine are bound by 2 hydrogen bonds. ...
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Name Ch 12 Study Guide

... 10) Assume that the two parent strands of DNA have been separated and that the base sequence on one parent strand is A-T-T-C-G-C; the base sequence that will complement that parent strand is __________________________________________ 11) Who was Rosalind Franklin? 12) What was her contribution to th ...
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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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