'Diploid' diaporamas de présentation

Inquiry into Life Eleventh Edition Sylvia S. Mader

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Chapter 16 Plants, Fungi, and the Move onto Land

0. Chapter 16 Plants, Fungi, and the Move onto Land. Biology and Society: Will the Blight End the Chestnut?. American chestnut trees Once dominated forests of the eastern United States Were prized for their Rapid growth Huge size Rot-resistant wood

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MEIOSIS

MEIOSIS. 4.2. Key Concepts. Gametes have half the number of chromosomes that body cells have. During meiosis, diploid cells undergo two cell divisions that result in haploid cells. Haploid and Diploid. The cells which contain two of each type of chromosome are called diploid.

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Chapter 28 Reading Quiz

Chapter 28 Reading Quiz. Which kingdom is the most diverse of all eukaryotes? In which kingdom do algae belong? Through what process is it proposed that mitochondria & chloroplasts came to reside within larger cells? Plasmodium causes what (at this time) incurable disease?

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Cell Growth and Reproduction

Cell Growth and Reproduction. Biology Agriculture. Cell Growth. All cells come in different sizes and shapes. Diffusion in fast and effective over short distances. It become slow and inefficient over long distances.

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LECTURE 21 LARGE-SCALE CHROMOSOME CHANGES I

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Protists

Protists. Protista. Classifying Protists General Biology of Protists The Kingdom Protista is divided into four major groups, not technical divisions but instead grouped by lifestyle: A- The protozoans. B- The slime molds. C- The unicellular algae. D- The multicellular algae. Protista.

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Thursday 04.11.13 Week 3

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Meiosis and Sexual Reproduction

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Male Reproductive System

Male Reproductive System. scrotum. testis. interstitial (Leydig) cells. Produce testosterone. Located in the connective tissue between seminiferous tubules. seminiferous tubules. Where sperm is produced. Cross section. epididymis. Allows sperm to mature and stores them before ejaculation.

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Flower Structure

Flower Structure. A plant can be divided into 3 parts:. Some plants also produce flowers!. Flowers. Reproductive organs of some plants There are many adaptive advantages to reproducing with flowers, such as seed protection & dispersal!. Anatomy of a Flower: Male Structures.

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Meiosis with Mitosis Review and Comparison (Chapters 8 and 10)

Meiosis with Mitosis Review and Comparison (Chapters 8 and 10). Recall Mitosis. ** Mitosis is asexual reproduction & occurs ONLY in regular old body cells called SOMATIC CELLS (skin, nails, your pancreas, etc..) NOT sperm and eggs ? ** Produces two identical diploid (2n) cells.

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Meiosis and Sexual Reproduction

Meiosis and Sexual Reproduction. Mrs . McCrary. Asexual Reproduction. Reproduction -process of producing offspring(b a bies). An individual formed by asexual reproduction is genetically identical to its parent.

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Mendel and His Peas

Mendel and His Peas. MUPGRET Workshop Feb. 7, 2004. Genetic variation. In the beginning geneticists studied differences they could see in plants. These differences are called morphological differences.

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Bellwork : Identify the following biomolecules

Bellwork : Identify the following biomolecules. Science Fact of the Day: If the entire DNA from all nuclei in the human body were to be arranged lengthwise, it would measure 1,000 times greater than the distance from the Earth to the Sun.

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MEIOSIS AND SEXUAL REPRODUCTION

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Chapter 6 Chromosomes and Cell Reproduction

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History of Genetics

History of Genetics. People have known about inheritance for a long time. --children resemble their parents --domestication of animals and plants, selective breeding for good characteristics --Sumerian horse breeding records --Egyptian data palm breeding

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