Personal Genome Project Study Guide
    Welcome About the PGP About the Study Guide FAQ Contact Credits
Part I: Genetic Material

Part II: Gene Transmission

Part III: Gene Expression

Part IV: Genetic Regulation

Part V: Genetics and Society

Part VI: Project Literacy






  Part II: Gene Transmission
Lesson 4: Gene Expression and Personal Traits
Reading Lesson 4 Practice Test

Upon completion of this lesson, you will be able to:
  • Recall that humans have two copies of most genes, except for those found on the sex chromosomes
  • Define the terms diploid, haploid, multigenic trait, dominant allele, recessive allele, homozygous, heterozygous, and co-dominance
  • Recognize that genes and environment both play a role in determining a person's traits, especially complex traits