'Sex cells' diaporamas de présentation

Reproductive System

Reproductive System. Jeopardy Test Review Game. Where are sperm produced?. testes. What part of the male anatomy surrounds and protects the testes?. scrotum. What is the name of the tubes that connect the testes to the penis?. vas deferens.

2.05k views • 103 slides

Fungi

Fungi. Fungal Characteristics and Human Fungal Pathogens. Fungal Taxonomy. Domain Eukarya Kingdom Fungi [True Fungi = Eumycota] Phylum Zygomycota Phylum Basidiomycota Phylum Ascomycota Phylum Chytridiomycota Phylum Deuteromycota [Imperfect Fungi]. Fungal Taxonomic Names . Phylum

1.72k views • 67 slides

Mendel and Meiosis

Mendel and Meiosis. Chp 10 Pp. 252-279. Contents. 10-2 Meiosis 10-1 Mendel. Chromosome. Rod shaped structures made of DNA and proteins Carrier of genetic material Located in the nucleus Copied and passed from generation to generation. Chromosomes.

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Demonstrate understanding of biological ideas relating to genetic variation.

Demonstrate understanding of biological ideas relating to genetic variation. Science A.S. 1.9 2014. The Structure of DNA. DNA (deoxyribonucleic acid) is found in the nucleus of living cells Its structure is described as a double helix. Nucleotide Bases. There are four bases

1.03k views • 50 slides

MEIOSIS

MEIOSIS. Reduction-Division Genetic Recombination. Meiosis. The form of cell division by which GAMETES , with HALF the number of CHROMOSOMES , are produced. DIPLOID (2n) ? HAPLOID (n) Meiosis is SEXUAL reproduction. TWO divisions ( MEIOSIS I and MEIOSIS II ). Meiosis.

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MEIOSIS

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Cell Division

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Chapter 3

Chapter 3. The Biological Basis of Life. Chapter Outline. The Cell DNA Structure DNA Replication Protein Synthesis What is a Gene? Cell Division: Mitosis and Meiosis. Cells. Basic units of life. Complex life forms have billions of cells. An adult human= as many as 1,000 billion cells.

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Organelles

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The Work of Gregor Mendel

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Mitosis and Meiosis

Mitosis and Meiosis. Higher Biology. Mitosis and Meiosis. Mitosis: - division of somatic (body) cells Meiosis - division of gametes (sex cells). Mitosis. Interphase Prophase Metaphase Anaphase Telophase. I nterphase. Interesting things happen! Cell preparing to divide

361 views • 16 slides

B5 Revision

B5 Revision. Growth and Development. An accelerated revision resource A.Blackford. Revision IS important. WARNING This PowerPoint is not a substitute for active revision using notes, the workbook and revision guide. You also need to do plenty of past papers to get exam practice.

508 views • 15 slides

Diploid to Haploid

Diploid to Haploid. Donna Huffman Biology Lab Instructor Calhoun Community College. Introduction. All living things must reproduce to survive. All body or somatic cells reproduce by mitosis which is simple cellular reproduction.

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Gregor Mendel

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Genetics and Heredity

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Characteristics of Living Things

Characteristics of Living Things. What is biology?. The study of living things All living things share certain characteristics. 1. Made of 1 or more cells. Unicellular (one cell) - ex. Bacteria Multicellular (many cells) - ex. Animals, plants. 2. Need energy to survive.

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Alternation of generation

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9.1 All cells come from existing cells

9.1 All cells come from existing cells. Objectives Describe how cell reproduction contributes to repair and to growth. Contrast the two main ways that organisms reproduce. Key Terms asexual reproduction sexual reproduction.

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Comparison of Mitosis and Meiosis

Mitosis Purpose: growth and repair Division: 1 Parent cell: 2n,diploid Daughter cell: 2 2n-identical to parent cell 5. Somatic cells. Meiosis Purpose: reproduction Division: 2 Parent cell: 2n diploid Daughter cells: 4

3.58k views • 3 slides