Across
- 3. The Physical makeup of an organism.
- 6. One parent that makes a clone of itself
- 8. When two alleles are the same
- 10. A change in the sequence of an organism's DNA
- 12. genetic material found in the nucleus of a cell.
- 13. Is always shown unless the genotype is homozygous recessive
- 15. a trait that is expressed only when the genotype is homozygous
Down
- 1. When two alleles are different
- 2. Codes for traits, can be dominant or recessive.
- 4. The physical characteristic of an organism.
- 5. structures built of DNA and genes.
- 7. Two parents that combine chromosomes to make a zygote
- 9. The study of genes and heredity, how traits are inherited.
- 11. a segment of your DNA.
- 14. The genetic makeup of an organism.