Across
- 4. The specific congenital defect linked to the homozygous recessive white-coat genes in this breed.
- 7. An increase in this genetic state (inheriting two identical alleles) allows hidden genetic diseases to be expressed.
- 8. The harmful (deleterious) type of allele that causes congenital deafness, which is usually masked in wild populations.
- 9. A severe reduction in the gene pool caused by breeding the modern population from only a few royal ancestors.
Down
- 1. Mating closely related dogs to maintain pure bloodlines, resulting in biological "depression" and reduced fitness.
- 2. In artificial selection, the human breeder replaces the natural environment as the selection ________.
- 3. The observable physical traits of the dog, such as the milky-white fur and pink nose.
- 4. This essential genetic characteristic is dangerously low in the Rajapalayam gene pool compared to local street dogs.
- 5. Type of selection where breeders shift the population's traits toward one extreme (e.g., exclusively white coats).
- 6. Humans selectively breed to increase the frequency of a specific ________ (an alternative version of a gene).