Across
- 7. The proportion of variation among individuals that we can attribute to genes
- 8. The subfield of biology that studies the molecular structure and function of genes
- 9. The biochemical units of heredity that make up the chromosomes
- 10. The complete instructions for making an organism consisting of all genetic material in that organism's chromosomes
- 11. Twins developed from a single fertilized egg that splits into 2
- 12. Threadlike structures made of DNA molecules that contain the genes
Down
- 1. Twins developed from separate fertilized eggs
- 2. The study of relative power and limits of genetic and environmental influences on behavior
- 3. Every non-genetic influence
- 4. The interplay that occurs when the effect of 1 factor depends on another factor
- 5. a random error in gene replication leading to change
- 6. A complex molecule containing the genetic information that makes up the chromosomes