Mendel‚ Genes‚ and Inheritance Chapter 12 Why It Matters Red blood cells in sickle-cell disease One amino acid in the wrong position causes the disease 12.1 The Beginnings of Genetics: Mendel’s Garden Peas Mendel chose true-breeding garden peas for his experiments Mendel first worked with single-character crosses Mendel’s single-character crosses led him to propose the principle of segregation Mendel could predict both classes and proportions of offspring from his hypotheses
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1. What organic molecules make up the largest part of a cell membrane? a. Lipids 2. Which of the following is presumed to have been engulfed by an ancestral eukaryote and became a eukaryote organ? b. Chloroplast 3. Which of the following is correct about mitochondria? c. Most cells plants contain a mitochondria 4. Horse eating hay is an example of? d. a consumer eating a producer 5. Structure of ATP is MOST similar to the structure of? e. RNA molecules
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Biology form 4 – Chapter 5 Mitosis Mitosis is a division of the nucleus to produce two new daughter cells containing chromosomes identical to the parent cell. Significance of mitosis Growth- allows a zygote to produce more cell in order to grow Repair and replacement- allow the multicellular organism maintain its tissues‚ example skin cells and blood Asexual reproduction- clone The cell cycle divided into two major phases a. Interphase b. Mitosis Interphase is the period between division‚ divided
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Internal verifier: IV sample Y/N Date Due Week Date Received Extension Agreed Y/N Resubmission Date Learning Outcome 1. Understand how genetic information is passed from parents to offspring. Assessment Criteria 1.1 Recall the main stages of meiosis and understand the biological significance of the process. ( question 5) 1.2 Understand Monohybrid and Dihybrid Mendelian Inheritance.(question 1‚4) 1.3 Understand co-dominance and sex linkage.(question 2‚3) 1.4 Apply biological principles and concepts
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-dz assignment Diagram Micrograph Structure (noun) Function (verb) Relationship between S/F Nucleus - Nucleus composed of chromatin‚ nucleoplasm‚ a nucleolus‚ and a nuclear envelope - Has large pores (nuclear pores/nuclear envelope) - Nuclear envelope has a double membrane - Diameter of 5 micrometers - spherical shape - controls all cell activity by directing which enzymes are made for specific functions - stores the genetic material of the cell (DNA) - directs
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org/dictionary/Diploid>. 3. "Function and stages of mitosis." Virtual Classroom Biologie. Web. 29 Sept. 2011. <http://www.vcbio.science.ru.nl/en/virtuallessons/mitostage/>. 4. "Meiosis." Suny.edu. Suny College. Web. 28 Sept. 2011. <http://faculty.clintoncc.suny.edu/faculty/michael.gregory/files/bio%20101/bio%20101%20lectures/meiosis/meiosis.htm>. 5. "Re: How Do Plant and Animal Mitosis Differ?" MadSciNet: The 24-hour Exploding Laboratory. Web. 29 Sept. 2011. <http://www.madsci.org/posts/archives/2002-01/1012526835
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B) Centriole C) Cell membrane D) None of these 7. In meiosis crossing over takes place during A) Leptotene B) Zygotene C) Pachytene D) none of these 8. The first division of meiosis is A) Equational B) Reductional C) Both (A) and (B) D) None of these 9. Which plant material is best suited for the study of meiosis A) Root tip B) Anther C) Shoot apex D) None of these
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Important Questions of this chapter: **Definition Cell cycle 2. Homologous Chromosome 3. Sister Chromatid 4. Synapsis **Short Questions 1.Describe the chief events of mitosis and show how these differ from meiosis. (V.V.I.) 2. What ‘checkpoints’ occur in cell cycle? What is the role of each? **Long Questions 1.Describe the phases of the cell cycle and the events that characterize each phase. Answer of short Definition is given below 1. Cell Cycle: The cell cycle is an orderly
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Unit 2. Chapters 9-16. Cell Processes 1. Cellular Respiration‚ Photosynthesis‚ Cell Cycle‚ Mitosis‚ Meiosis‚ & Genetics. Note A: All work must be hand-written‚ including charts & diagrams. Note B: each answer requires more than one sentence & use diagrams whenever possible; failure to use diagrams will result in less points. Chapter 9 Outline 1) Principles of Energy Conservation a) Cellular respiration and fermentation are catabolic(energy – yielding) pathways b) Cells must recycle the ATP
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Unit 3 Lecture Study Guide 1. List the 4 primary tissue types and give the general characteristics and functions of each one. Nerve Tissue: transmit nerve impulses; coordinates and regulates body activities‚ bind and support nerve tissue; carry on phagocytosis; connect neurons to blood vessels‚ changes shape from squamous to cuboidal Epithelial Tissue: covers all free body surfaces and lines organs‚ anchored to connective tissue by basement membrane‚ lacks blood vessels‚ can reproduce
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