[L-3A] Inside the Nucleus.pdf

H R Inside the Nucleus C BIOLOGY 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025  ENERGIZER HO...

H R Inside the Nucleus C BIOLOGY 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025  ENERGIZER HOLY ROSARY COLLEGE OF Inside the Nucleus Biology 9 STA. ROSA LAGUNA, INC.  HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025 Good day! Kindly pick up the pieces of paper and rearrange your chairs.  H Bill Nye the Science R C Guy: Genes HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025  Instructions 1. Watch the Bill Nye the Science Guy episode on Genes and write scientific facts about the genes on a one whole sheet of paper. Ensure that the paper has your name, section, and date today. 2. Each scientific fact is equivalent to 2 recitation points. 3. Kindly ensure that your paper is readable and legible. Messy and crammed outputs will not be accepted. 4. For your points to be valid, you must take a picture of your paper and upload it in MS Teams. 5. The deadline of uploading is 2:00 PM, today, August 20. HOLY ROSARY COLLEGE OF Inside the Nucleus Biology 9 STA. ROSA LAGUNA, INC.  ENERGIZER HOLY ROSARY COLLEGE OF Inside the Nucleus Biology 9 STA. ROSA LAGUNA, INC.  Objective(s) At the end of the lesson, you are expected to: Identify the parts of the structure of a chromosome; Understand how genetic information is organized in genes on chromosomes; HOLY ROSARY COLLEGE OF Inside the Nucleus Biology 9 STA. ROSA LAGUNA, INC.  H R Chromosomes C Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025 WHAT ARE LIVING THINGS MADE UP OF? HOLY ROSARY COLLEGE OF Biology 9 STA. ROSA LAGUNA, INC. Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Types of Cells according to Function A. Body Cells Also known as vegetative or somatic cells Soma – body Form the body of the organism Concerned with the maintenance of the life processes in the organism Ex. Cells in leaves, cells in the stomach. Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Types of Cells according to Function B. Sex Cells Also known as reproductive cells or gametes Involved in the production of offspring Male sex cells: sperm Female sex cells: egg Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  The nucleus contain chromosomes! Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  What are chromosomes? Package of DNA Structure of supercoiled DNA DNA – Deoxyribonucleic Acid The blueprint of life Genetic material which carries all hereditary material Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Humans have 23 pairs of chromosomes! Body chromosomes Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Types of Cells according to Chromosome Number A. Haploid cells one set of chromosomes Gametes are haploid B. Diploid cells Two sets of chromosomes Somatic cells are diploid Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Each parent contributes one set of chromosomes to the offspring! Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Common Chromosome Numbers of Animals Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  HOW DO CELLS MAINTAIN THEIR CHROMOSOME NUMBER OF ORGANISMS? Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Cell Division A. Mitosis Cell division of somatic cells Diploid parent = 2 diploid daughter cells B. Meiosis Cell division of gametes Diploid parent = 4 haploid daughter cells Inside the Nucleus Biology 9 HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC.  Assignment #3 1. What are the Mendel’s three laws of heredity? 2. What are the steps in solving a monohybrid cross? HOLY ROSARY COLLEGE OF Inside the Nucleus Biology 9 STA. ROSA LAGUNA, INC.  HOLY ROSARY COLLEGE OF STA. ROSA LAGUNA, INC. S.Y. 2024 – 2025 Good job, biologists! See you next meeting!