BioFlix Animations Meiosis Slide Show Copyright © 2007 Pearson Education, Inc., publishing as Pearson Benjamin Cummings.

Slides:

Advertisements

Similar presentations

11-4 Meiosis Pg. 275.

Advertisements

The life cycle of a cell Cell cycle consists of 2 major phases

1. Meiosis and chromosome number

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint TextEdit Art Slides for Biology, Seventh Edition Neil Campbell and.

0.5 mm Parent Bud (a) Hydra (b) Redwoods.

TECHNIQUE 5 µm Pair of homologous replicated chromosomes Centromere

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.

Meiosis Review.

In eukaryotes, heritable information is passed to the next generation via processes that include meiosis plus fertilization.

Meiosis A double cell division to produce sex cells (sperm and egg)

Objective 11: TSWBAT describe the phases of meiosis including the events characteristic of each phase.

Question of the Day 1.Where do humans do meiosis? 2.Why do humans do meiosis? 1.In the testicles and ovaries 2.To ensure genetic variation.

The Cell Cycle & Cell Division

(a) Reproduction (b) Growth and development (c) Tissue renewal 100 µm

Meiosis 10/29/09. What can you tell me about Mitosis?

Chapter 10 Sexual Reproduction & Genetics Part 1: Meiosis.

Sexual Reproduction and Genetics Section 1- Meiosis

AP Biology Lecture #23 Meiosis.

Gamete Production.

Federoff. Interphase  Chromosomes Duplicate  Prepares to Divide.

Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology: Concepts and Connections, Fifth Edition – Campbell,

12/17/14 Objective: Meiosis. Produces sex cells (egg and sperm) Produces 4 cells with HALF the normal chromosome number How many chromosomes do human.

MEIOSIS © 2012 Pearson Education, Inc..  In humans, somatic cells have 23 pairs of homologous chromosomes and one member of each pair from each parent.

Meiosis reduces chromosome number by copying the chromosomes once, but dividing twice. The first division, meiosis I, separates homologous chromosomes.

Meiosis and Mitosis.

Meiosis and Sexual Life Cycles

DNA replication creating a tetraploid (4n) cell

Meiosis Gamete Formation.

2 divisions of the nucleus

11-4 Meiosis Pg. 275.

Mitosis and the Cell Cycle

Cell Division Cell Division is the division of a cell into two daughter cells with the same genetic material.

Mitosis is conventionally divided into five phases:

Process of Mitosis.

Mitosis and meiosis Cell Replication.

Warm Up Draw chromatin, chromatid(s), and chromosome(s) and describe them. Frayer model Quiz, answer sheets, amoeba.

Lesson 5.5: Meiosis.

Division in meiosis I and II

Chapter 12 The Cell Cycle.

EQ: What happens during the process of meiosis?

Chromosomes and Chromosome Number

Meiosis and Sexual Reproduction

Meiosis I results in 2 haploid daughter cells

Making Gametes (Egg & Sperm)

Terms Haploid: (1n) one set of chromosomes

Meiosis and Genetic Variation

Fig Figure 13.1 What accounts for family resemblance?

Stages of Meiosis Chapter 10.

Phases of Meiosis Chapter 10.2.

Chromosomes and Mieosis

Meiosis and Sexual Life Cycles

Meiosis I Making Sperm and Eggs

Meiosis Phases.

Marcellin Biology Notes

Meiosis SC Standard B4.5- The student will be able to summarize the characteristics of the phases of Meiosis I and II.

Cell Cycle Review 3.A.2 – In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle, meiosis and.

Presentation transcript:

BioFlix Animations Meiosis Slide Show Copyright © 2007 Pearson Education, Inc., publishing as Pearson Benjamin Cummings

Cell

Interphase

Nuclear envelope

Maternal chromosome Paternal chromosome

Homologous chromosomes Paternal chromosome Maternal chromosome

Duplicating chromosome

Sister chromatids Maternal chromosome Sister chromatids Paternal chromosome Homologous chromosomes

DNAHistone proteins Sister chromatids

DNAHistone proteins Sister chromatids

Prophase I

Duplicated centrosomes with centriole pairs Spindle microtubules Nuclear envelope

Condensing chromosomes

Homologous chromosomes Sister chromatids

Homologous chromosomes Non-sister chromatids Sister chromatids Site of crossing over

Spindle microtubules Nuclear envelope

Spindle microtubules

Homologous chromosomes Centromere

Metaphase I

Spindle microtubules Homologous chromosomes

Anaphase I

Sister chromatids Chromosome Paternal genetic material Maternal genetic material

Telophase I & Cytokinesis

Daughter cell

Meiosis II

Daughter cell Spindle microtubules Chromosomes

Spindle microtubules Chromosomes

Sister chromatids separate

Daughter cell divides

Four haploid cells

Gametes