the usual pair of two X chromosomes (“What is TS?”). This condition was named after Dr. Henry Turner‚ who was one of the first researchers to describe the features of Turner’s Syndrome in 1930s. TS occurs in about 1 female out of every 2‚000 female births‚ but is much more common in miscarriages. A diagnosis of TS is made through a karyotype test. This is performed on cells in the amniotic fluid before birth and on cells in the blood after. In a karyotype‚ the chromosomes in the white blood cells
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The three particles that make up atoms are d. protons‚ neutrons‚ and electrons. Which of the following statements about a compound is true? A. The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed. A covalent bond is formed as the result of b. sharing electrons. In a water molecule‚ shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result‚ the oxygen atom is a. slightly negative.
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Results RAPD and ISSR fingerprint In order to evaluate the efficiency of RAPD-PCR fingerprinting for Cajanus cajan L. cultivar‚ the DNA was used as templates for 7 RAPD primers banding modality. Total number of magnified fragments in the Cajanus cajan L. cultivar value of each primer was represented in Table 2. Total of 26 bands were obtained for all primers. The highest band number was produced with primer OP-A5 and OP-B4‚ while the lowest band number was created with primer OP-A13. The RAPD banding
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Biology Notes B1 NOTES: You and Your Genes Chromosomes: They are found inside the nucleus of cells. They are X Shaped Objects that Contain DNA. Each Chromosome is made from two Chromatids. Chromosomes are held together by a disc called a centromere. Chromosomes are always found in Pairs. | | A | T | G | C | C | G | DNA: It Stands for Deoxyribonucleic acid. DNA is Made from Nucleic acids of ten (referred to as bases). The four bases are Adenine (A) which always pairs with Thymine (T)
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* Produces cells with the 1n chromosome number * Two Divisions * Meiosis I separates homologous chromosomes * Meiosis II separates sister chromisis * Asexual Reproduction * Mitotic division * Identical offspring * Sexual Reproduction * Fuse gametes from parents (syngamy) to produce a zygote * Each parent contributes half the genetic material * Increase the diversity of offspring * Different combinations of chromosomes * Increase the potential
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Question 1WRONG | Rice‚ the staple food of many Filipinos‚ could be categorized to belong in: Kingdom – Plantae Phylum – Anthophyta Class – Monocotyledonae Order – Glumiflorae Family – Poaceae Genus – Oryza Species – Sativa Both rice and corn belongs to the class Monocotyledonae‚ then they must also belong to the same _________. | Genus | | Family | | phylum | | species | Question 1 Explanation: if rice and corn belong to the same class‚ then they must also belong to the same phylum
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for a specific trait is located on a sex chromosome‚ resulting in sexually dependent inheritance of the trait (Houghton Mifflin Company 2009). As the first sex-linked gene was found in Drosophila melanogaster (Ladiges‚ Pauline Y 2012) it is appropriate to use them in the study to determine how sex-linked chromosomes effect the offspring. By crossing the male and female Drosophila with different traits we observed the F1 generation and how sex-linked chromosomes were carried into the F1 generation as
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………………………………………………………………………………1 1.2. Diseases caused ……………………………………….……………….………………………….……..1 1.3 Carcinogenic ingredients ……………………………………………………………………….………2 2. Materials and methods …………………………………………………………………………………….…3 2.1. Allium cepa chromosome assay system ………………………………………………………….3 2.2 Determination of EC50 …………………………………………………………………………………….3 2.3. Cytogenetic parameters ……………………………………………………….………………………...5 2.4. Statistical analysis …………………………………………………………………
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CHAPTER 2: CELLS Learning about disease is often simplified by growing it in a dish – some cells like heart and nerve cells however do not grow easily outside the body. Cellular reprogramming takes cell back to a state similar to stem cells and then coaxes them to specialize in a different way. Example – LEOPARD syndrome MIM 151100. Acronym for symptoms: enlarged heart w/blocked valves to the lungs‚ freckles‚ abnormal genitals‚ deafness. Skin cells taken from patients were reprogrammed to give
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Foundations of Development The Collaborative Gene Chromosomes: threadlike structures made up of deoxyribonucleic acid or DNA DNA: complex molecule that has a double helix shape and cpntaons genetic information Genes: units of hereditary information‚ short segments of DNA 1‚000 Human Genome Project Genome-wide association method Linkage analysis Next-generation sequencing Genes & Chromosomes Mitosis‚ Meiosis‚ & Fertilization 46 Chromosomes in 23 pairs
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