Lessons for Chromosomes

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  • Chromosome Fusion - … Hominid Chromosomes (this, or the Chromosome Connection lesson should precede the Chromosome Fusion lesson). Chromosome Connection (at www.becominghuman.org > Learning Center > Lesson Plans) Chromosomechromosomes. 6. Chromosomes in a karyotype (total chromosome array for a species) are typically oriented with their centromeres above the midpoint of each chromosome … chimpanzee chromosomes that match our chromosome 2, notice (in Fig. 1) that the upper chimp chromosome (we'll call it the "p" chromosome) is …
    User Rating: Grade Level: 9-12
  • Reboops - … 23 chromosomes, the baby will now have 47 chromosomes. A child with Down Syndrome has an extra number 21 chromosome. The extra chromosome can … the chromosome that came from the father, the other on the chromosome given by the mother. Aneuploidy - Having extra or missing chromosomes. Chromosome - A very long piece of DNA coiled around some proteins. Each chromosome
    User Rating: Grade Level: 6-8
  • Lesson 8: Mitosis: Chromosome Replication & Division - … synthesis , gene , homologous chromosome, interphase , life cycle, metaphase , mitosis , prometaphase , prophase , replicated chromosomes , sister chromatids, spindle fibers, telophase , unreplicated chromosomes . Background Cell Division … called replicated chromosomes (or, in many books, simply chromosomes ). Replicated chromosomes are quite different from the unreplicated chromosomes seen earlier. Compare replicated chromosomes to unreplicated …
    User Rating: Grade Level: K-8
  • Reaching Into Your Genes - … the chromosomes. Nevertheless, there are some instances when large pieces of chromosome are missing (called a deletion) or switched from chromosome to chromosome (called … : Listen for any time chromosomes are mentioned. Look for the shapes of chromosomes. Listen for the number of chromosomes that are in certain … physical relationships among DNA, chromosomes and the nucleus...are chromosomes inside DNA or is DNA inside chromosomes, are the chromosomes inside the nucleus? Observe …
    User Rating: Grade Level: 6-8
  • How Do Organisms Reproduce? - … the same number of chromosomes. Humans have 46 chromosomes. The domestic dog has 78 chromosomes, the domestic cat has 38 chromosomes, and the mouse that it chases has 40 chromosomes! 2 … the cell: chromosome replication occurs, the chromosomes condense, each replicated chromosome pairs with its partner to form a tetrad, the homologous chromosomes swap genes …
    User Rating: Grade Level: K-8
  • The Cell Cycle - … the point of attachment between copies of chromosomes 2. Chromatids the individual copies of a chromosome D. Procedures/Activities 1. Ask students … between the chromatids. Chromatids: The copies of a chromosome VI. Telophase (Lesson Five) A. Chromosomes uncoil B. Nuclear membrane reappears C. Nucleolus … Cell: Cells with two sets of chromosomes. 1. Some organisms exist with only one set of chromosomes (certain insects). You can use …
    User Rating: Grade Level: 6-8
  • Evolution Lesson: Comparison of Human and Chimp. Chromosomes - … less on the details of chromosome analysis, and also involves students in doing a chromosome by EXTENSIONS chromosome matching by moving them about … NEW LESSON: CHROMOSOME FUSION. This is a logical extension of any chromosome comparison lab. Students test the hypothesis that our chromosome 2 resulted from the fusion of two shorter chromosomes found in …
    User Rating: Grade Level: 3-5
  • Genetics and Heredity: The Next Generation - … sets of chromosomes, producing gametes (egg or sperm cells) that each have one set of chromosomes. Although only one set of chromosomes is … shape is actually two chromatids (two copies of a chromosome), and that chromosomes only appear this way when undergoing cell division. 2 … called "crossing over," where parts of homologous chromosomes from the grandparents are exchanged before chromosomes divide and move into their respective gametes …
    User Rating: Grade Level: 9-12
  • Karyotype Puzzle - … or missing chromosomes. "You will need to match the chromosomes in your envelope and order them by size. The longest chromosome is called … . The last pair of chromosomes is the sex chromosomes. As you recall, the X chromosome is longer than the Y chromosome. If you need … . Genetic information is written with the number of chromosomes, the sex chromosomes and extra chromosomes listed by number. For example a normal female …
    User Rating: Grade Level: 9-12
  • What's Dominant? - … cells. Twenty-three pairs is the "correct" number of chromosomes. These chromosomes contain all the genetic information needed for the body to … , since the DNA -- therefore the chromosomes -- were not duplicated, each daughter cell receives only 23 chromosomes instead of 23 pairs. So, the … too many or too few chromosomes, does the embryo end up with the wrong number of chromosomes. Body of Lesson: Ask students …
    User Rating: Grade Level: 6-8
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