3.1 Human Genetics — Your Genes Are Not Your Destiny | Psychology 2e
After this lesson you will be able to…
- Explore how genes and environment interact to shape human lives and health.
- Understand the physical mechanism and devastating effects of sickle cell anemia.
- Learn how the sickle cell gene provides an evolutionary advantage against malaria.
- Recognize why genetic diversity is essential for a species' long-term survival.
- Differentiate between evolutionary psychology and behavioral genetics.
- Understand how twin and adoption studies help isolate genetic and environmental influences.
- Define chromosomes, genes, genotype, phenotype, and alleles.
- Explain how dominant and recessive alleles determine trait expression.
- Understand how recessive genes can lead to conditions like PKU.
- Learn that most human traits are polygenic, involving multiple gene interactions.
- Distinguish between societal race constructs and biological genetic ancestry.
- Understand how genes set potential limits, while environment determines the outcome.
- Learn how genes influence environment, and environment supports gene expression.
- Understand how environmental factors alter gene expression without changing DNA.
- Analyze a study showing how genetic risk and environmental stress combine to cause schizophrenia.
- Reflect on how gene-environment interaction should influence societal policies.
AI Tutoring Available
- Pause and ask a question
- 2 assignments available
0.0
(0)This lesson explores how genes and environment interact to shape human behavior, traits, and vulnerability to psychological disorders — and why DNA al...
Assignments Preview
Quiz: Genes, Environment, and Human Biology
FundamentalsAnswer each question based only on what was presented in the video lesson. No outside knowledge is required — all answers can be found in the video.
Practice: Genes, Environment, and Human Behavior
PracticeAnswer each question using what you learned in the video. Questions progress from recall and understanding to application and analysis — take your time with the later ones.