About This Chapter
Genetic Influences on Development - Chapter Summary and Learning Objectives
Genetics are an interesting area. They can determine simple things, like the color of a person's eyes, or they can determine more complex things, like whether a person will be predisposed to psychological conditions. There is really no doubt that each person is a mixture of their mother and father. You have probably even been told at some point that you act like your mother or that the way you laugh sounds just like your father. These are not simple consequences. In fact, they may just be a matter of genetics. As you will find out in this chapter, genetics affect many areas of who you are. Some of the things you will study in this chapter include:
- How the genetic code is linked to the determination of sex
- How children's development is determined by the genes of the parents
- Common genetic disorders
- The influence of genetics on intelligence, temperament and psychological disorders
|The Genetic Code||Explore the genetic code, and learn about unique properties, mitosis, meiosis, crossing over, twins and determination of sex.|
|Genetic Inheritance||Examine how parental genes influence children's development with a look at concepts that include single gene-pair inheritance and sex-linked inheritance.|
|Genetic Abnormalities and the Impact on Human Growth and Development||Find out about mutation and chromosome abnormalities, and differentiate between common genetic disorders, such as cystic fibrosis, PKU, hemophilia, sickle-cell and down syndrome.|
|Genetic Influence on Intellectual Abilities||Study how genetics can affect intelligence.|
|Genetic Influence on Temperament||Learn about the link between genetics and temperament.|
|Genetic Influence on Psychological Disorders||Examine the genetic connection to psychological disorders.|
1. 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.
2. Determination of Sex and Identical vs. Fraternal Twins
Have you ever heard an old wives' tale about what determines whether a child will be a boy or a girl or what causes twins to be born? In this lesson, we will explore the biology behind these myths on how sex is determined and how twins are created.
3. The Influence of Single Gene-Pair Inheritance on Development
What is single gene-pair inheritance? What influence does it have on human development? Learn the answers to these questions as we explore this area of genetic inheritance in this video lesson.
4. The Influence of Sex-Linked and Polygenic Inheritance on Development
What is sex-linked inheritance? What influence does it have on human development? What does it mean if a trait is polygenic? Learn the answers to these questions as this lesson explores this area of genetic inheritance.
5. Genetic Abnormalities in Human Growth and Development
What are mutations and other chromosome abnormalities? How can these abnormalities affect human development? What are some common genetic disorders and their causes? Learn the answers to these questions in this lesson.
6. Is Intelligence Genetic? - Genes' Influence on Intellectual Abilities
What is the role of heritability in determining our intellectual abilities? Is intelligence genetic? Explore what part our genes play and find answers to these questions in the following lesson.
7. Is Personality Genetic? - DNA's Influence on Temperament
How do genetics impact a person's temperament and personality? This lesson will introduce the world of behavioral genetics and help you understand the role our genes play in determining who we are and how we act.
8. Genetic Influence on Psychological Disorders
Do genetics play a role in psychological disorders such as schizophrenia? What do we know about any genetic links? Does environment matter? Find the answers to these questions and more in this video lesson.
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Other chapters within the Psychology 103: Human Growth and Development course
- Theoretical Approaches to Human Growth and Development
- Research Methods and the Study of Human Growth and Development
- Biological Development
- Sensory and Perceptual Development
- Cognition and Cognitive Development
- Creativity and Intelligence Development
- Language Development
- Social Development
- Social Relationship Development
- Atypical Development
- Studying for Psychology 103