Across
- 2. single gene exhibiting multiple phenotypic expression
- 5. polygenic inheritance also relies on the influence of this factor for its expression
- 6. three dominant and three recessive alleles produce this type of skin colour
- 7. dominant forms of alleles for dark skin colour
- 8. genes that control skin colour
Down
- 1. example for pleiotropy
- 3. traits controlled by three or more genes
- 4. the effect of each allele in a polygenic trait is
- 7. recessive forms of alleles for light skin colour