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Ch 14: Genetics - Principles of Heredity: Homework Help

About This Chapter

The Genetics - Principles of Heredity chapter of this High School Biology Homework Help course helps students complete their genetics and principles of heredity homework and earn better grades. This homework help resource uses simple and fun videos that are about five minutes long.

How it works:

  • Identify which concepts are covered on your genetics and principles of heredity homework.
  • Find videos on those topics within this chapter.
  • Watch fun videos, pausing and reviewing as needed.
  • Complete sample questions and get instant feedback.
  • Finish your genetics and principles of heredity homework with ease!

Topics from your homework you'll be able to complete:

  • Properties of alleles
  • Mendel's Law of Segregation and Law of Independent Assortment
  • Exceptions to simple dominance
  • Exceptions to independent assortment
  • Chromosomal linkage and crossing over
  • Human genetics and model organisms

14 Lessons in Chapter 14: Genetics - Principles of Heredity: Homework Help
Genetics: Heredity, Traits & Chromosomes

1. Genetics: Heredity, Traits & Chromosomes

We view manipulation of genes in our crops and livestock as a recent development. Yet, man has been manipulating the genetic makeup of his food for thousands of years through cultivation and breeding. This lesson will begin to help you understand how genetics works.

Properties of Alleles

2. 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.

Mendel's First Law: The Law of Segregation

3. 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.

Application of Mendel's First Law

4. 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

5. 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, cue up the video and see how.

Mendel's Dihybrid Cross Example: Practice & Ratio

6. Mendel's Dihybrid Cross Example: Practice & Ratio

Oh no! Twice the genes and sixteen genotypes - a dihybrid cross seems overwhelming to understand. Never fear though, Punnett squares will save the day!

Exceptions to Simple Dominance: Codominance and Incomplete Dominance

7. Exceptions to Simple Dominance: Codominance and Incomplete Dominance

Have you ever wondered what it means if someone is a universal donor or acceptor of blood? See how genetic interactions play a key role in this trait.

Exceptions to Independent Assortment: Sex Linked and Sex Limited Traits

8. Exceptions to Independent Assortment: Sex Linked and Sex Limited Traits

More men are color blind compared women. But often, not every brother, cousin or uncle in a family tree is color blind. Why not? How can genetics explain this seemingly complex inheritance pattern?

Crossing Over & Gene Linkage: Definition, Importance & Results

9. Crossing Over & Gene Linkage: Definition, Importance & Results

During this latest development of his flying hamster experiments, Adrian must learn about linked genes and recombinant chromosomes to unlock the mystery of the fire-breathing hamster. In this lesson, you'll look at another exception to Mendel's law of independent assortment.

Human Genetics: Multifactorial Traits & Model Organisms

10. Human Genetics: Multifactorial Traits & Model Organisms

How do we study human genetics when most traits arise from multiple genes? It's certainly more complicated that drawing a simple Punnett square. Never fear, for model organisms are here!

Complete Dominance: Definition & Examples

11. Complete Dominance: Definition & Examples

This lesson examines complete dominance, which is one of the ways the genes you get from your parents can show up. It also covers the vocabulary needed to understand complete dominance as well as examples.

Gene Flow: Definition & Examples

12. Gene Flow: Definition & Examples

Chances are you've probably witnessed gene flow today! This lesson will define gene flow and give examples. It will also explain why gene flow creates genetic diversity.

Genetic Physical Traits: Definition & Examples

13. Genetic Physical Traits: Definition & Examples

This lesson describes the relationship between genetics and physical traits. It details the relationship between DNA and physical form. Also included are real-world examples, illustrations, and a brief quiz.

True Breeding: Definition & Variety

14. True Breeding: Definition & Variety

True breeding plants were utilized by Gregor Mendel during his experiments with pea plants. We will look into detail here as to how useful these were in determining inheritance.

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