Across
- 3. A genetic cross involving two characteristics.
- 5. A genetic disorder characterized by the absence of blood clotting factor.
- 7. where an intermediate phenotype is produced.
Down
- 1. The breeding of organisms by humans to achieve a desirable phenotype.
- 2. The physical appearance of an organism.
- 3. A human disorder caused by the non-disjunction of chromosome pair 21.
- 4. Undifferentiated animal cells that can form any type of tissue.
- 6. Organisms that have different alleles at a given locus.