F2 generation - First and second filial generation. First Filial Generation - offspring from the cross of the P generation. Second Filial Generation - offspring of the first filial generation. Hybrid - an organism is heterozygous for a trait. Monohybrid - a cross of two heterozygous individuals that differ in one trait. (Aa * Aa) Product Rule - the probability or chance that two or more independent events will occur together is the product of their individual probabilities of occurring alone.
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(Assume no linkage) A. 65 B. 190 C. 250 D. 565 E. 750 3) Homologous chrmosomes contain identical a. genes b. alleles c. DNA sequences d. all of these are correct 4) What is the genotypic and phenotypic ratio from the F2 of a monohybrid cross? 5) If alleles R and s are linked on one chromosome and r and S are linked on the homologous chromosome‚ what gametes will be produced if no crossing over occurs? 6) Both you and your sister or brother have attached earlobes‚ but
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Mendelian Genetics * Pea plants have several advantages for genetics. * Pea plants are available in many varieties with distinct heritable features (characters) with different variants (traits). * Another advantage of peas is that Mendel had strict control over which plants mated with which. * Each pea plant has male (stamens) and female (carpal) sexual organs. * In nature‚ pea plants typically self-fertilize‚ fertilizing ova with their own sperm.
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Biology Midterm Review Sheet *** This is a general review sheet. It covers the main concepts from each chapter. You should also review your notes‚ vocab notecards‚ quizzes‚ tests‚ and labs to thoroughly prepare for this exam. The midterm will consist of 80 multiple choice and 8 free response questions. Note: For the midterm you will need a blue or black pen‚ a pencil‚ and a calculator. What you should focus on from the textbook: Unit 1- Introduction to Biology (ch. 1) Independent vs
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COURSE SYLLABUS Instructor: Koshy Varghese‚ M.S. (Biology)‚ M.Ed.‚ M.S. (Psychology) Email: Koshy.Varghese@Navarrocollege.edu Phone: 903-874-6501 General Biology I (BIOL 1406) I Biology Spring 2013 INTRODUCTION General Biology I is an introductory survey of contemporary biology for students majoring in the sciences. Topics emphasized will include the chemical basis of life‚ structure and function of cells‚ energy transformations‚ and molecular biology and genetics. The student
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HSC BIOLOGY TOPIC 2: BLUEPRINT OF LIFE HSC BIOLOGY TOPIC 2: BLUEPRINT OF LIFE 1) Evidence of evolution suggests that the mechanisms of inheritance‚ accompanied by selection‚ allow change over many generations. 1.1.1 Outline the impact of evolution of plants and animals of: * Changes in physical conditions in the environment * Changes in chemical conditions in the environment * Competition for resources
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The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called * cytokinesis. Eukaryotic cells spend most of their cell cycle in which phase? * interphase Chromatin‚ the stuff chromosomes are made of‚ is made up of what? * protein and DNA Which of the following occurs during interphase? * cell growth and duplication of the chromosomes The cell has a very narrow middle separating two bulging ends. It sort of looks like the number 8!
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homozygous recessive individual j. test cross 10. An individual with two different alleles of the same gene. k. genotype 11. The heritable entity that determines a characteristic. l. recessive 12. The alleles an individual has. m. dihybrid cross 13. The separation of the two alleles of a gene into different gametes. n. homozygote 14. Offspring of the P generation Q4. In his work Mendel found that full pea pods are dominant to constricted pods‚ whereas round seeds
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(6)______Genotype_________- an individual’s genetic makeup. Whether he/she is homozygous or heterozygous (7)______Phenotype__________- the manner in which genotype is expressed - Example: the presence of a widow’s peak or not‚ blue vs brown eyes‚ etc. Monohybrid - one pair of alleles determine a trait. (Most traits are not determined by a single allele pair‚ but these will be used as an example). Use of Punnett Square - a grid used to determine the possible genotypes‚ and thus resulting phenotypes of offspring
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chance of being affected‚ a 50% chance of being unaffected and a carrier‚ and a 25% chance of being unaffected and not a carrier. Once an at-risk sib is known to be unaffected‚ the risk of his/her being a carrier is 2/3”(Strauss). This represents a Monohybrid Cross. [pic]This relates to meiosis and fertilization because the passing of the traits to the four daughter haploid cells from the diploid parents. It happens just as a punnet square one child has a chance of being affected‚ another has
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