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Ch 6: Holt McDougal Biology Chapter 6: Meiosis & Mendel

About This Chapter

The Meiosis & Mendel chapter of this Holt McDougal Biology Companion Course helps students learn the essential lessons associated with meiosis and Mendel's laws. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Meiosis & Mendel textbook chapter.

How It Works:

  • Identify the lessons in the Holt McDougal Meiosis & Mendel chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the topics on meiosis and Mendel's laws you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • Definitions for gametes and somatic cells
  • The process of meiosis
  • Mendel's first and second laws
  • The structure of a gene
  • Characteristics of chromosomes
  • The effects of meiosis and mitosis on the genetic code
  • What the chromosome theory of inheritance is
  • Features of alleles

Holt McDougal is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

14 Lessons in Chapter 6: Holt McDougal Biology Chapter 6: Meiosis & Mendel
Somatic Cells: Definition, Examples & Types

1. Somatic Cells: Definition, Examples & Types

Somatic cells are all cells in the body except germ cells, which are egg and sperm. Learn more about examples of these cells and how they differ from germ cells. Quiz your understanding at the end.

Gametes: Definition, Formation & Fusion

2. Gametes: Definition, Formation & Fusion

Gametes are the cells that fuse together during sexual reproduction to form a new organism. This lesson covers what these cells are, what they do, and the end result of when they meet.

Physical Features of a Chromosome

3. Physical Features of a Chromosome

Learn all about chromosomes, including the different parts of a chromosome and the types of chromosomes in diploid organisms like humans. Learn the vocab used with chromosomes.

Overview of Meiosis

4. Overview of Meiosis

Welcome to meiosis, a realm of division doubled for reproduction untroubled. You'll get a preview of both divisions of meiosis and see what it takes to go from a diploid cell to a haploid gamete.

Meiosis I: Reductional Cell Division

5. Meiosis I: Reductional Cell Division

How does meiosis keep track of homologs and reduce the genome by half? Know these answers and more as we navigate the steps of meiosis I. This lesson will be tetradical!

Meiosis II: Equational Cell Division

6. Meiosis II: Equational Cell Division

Behold round two of meiotic cell division! You'll see how meiosis II keeps the genome intact and gives the final push to produce haploid gametes, which make the world go round.

Gametogenesis: Definition & Concept

7. Gametogenesis: Definition & Concept

Birds do it, bees do it, even educated fleas do it. Let's do it, let's make some gametes. This lesson discusses how sperm and egg are produced and why these cell types are different from any other cell in your body.

Mendel's First Law: The Law of Segregation

8. Mendel's First Law: The Law of Segregation

Breaking up is a hard thing to do, but homologous chromosomes always go their separate way. What effect does chromosome segregation have on genetics? We look once more to Adrian's flying hamsters for answers.

The Chromosome Theory of Inheritance: Segregation and Independent Assortment

9. The Chromosome Theory of Inheritance: Segregation and Independent Assortment

Mendel proposed the law of segregation and the law of independent assortment to explain the inheritance behind his pea plant traits. A hundred years later, Boveri and Sutton developed the chromosome theory of inheritance, which stated that chromosomes were responsible for the heredity Mendel observed. Learn about these men and their ideas in this lesson.

What Is a Gene? - Definition & Structure

10. What Is a Gene? - Definition & Structure

Genes are little codes found in our cells that make up who we are. This lesson covers where genes are located, how we get our genes, and the functions of genes.

Properties of Alleles

11. Properties of Alleles

What is a dominant phenotype and how will it affect Adrian's flying hamster research? Tune in as he studies homozygous and heterozygous genotypes and the phenotypes they produce.

Application of Mendel's First Law

12. Application of Mendel's First Law

Hollywood Squares? No, it's Punnett Squares! Those wacky diagrams are a geneticist's best friend. See how they turn geneticists into soothsayers, predicting the genotypic and phenotypic future.

Mendel's Second Law: The Law of Independent Assortment

13. Mendel's Second Law: The Law of Independent Assortment

Understanding how Mendel's law of independent assortment describes inheritance of genes is as easy as flipping a coin. Grab a few coins, queue up the video and see how.

The Genetic Code: Influence of Mitosis, Meiosis & Crossing Over

14. The Genetic Code: Influence of Mitosis, Meiosis & Crossing Over

In this lesson, we will learn what the genetic code is and how it can be affected by mitosis, meiosis and crossing over. When mistakes are made and genes are altered, it can have a negative impact on human development.

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