Artificial selection

1. The type of selection where human breeders—not nature—act as the selection pressure to choose which traits survive.
3. Inbreeding ________: The A-Level term for when a highly bred population loses its biological health, strength, and fertility over time.
5. A specific version of a gene (for example, the version that codes for a white coat instead of a brown one).
7. You already know this one: When a breed's population shrinks down to just a few ancestors, losing genetic diversity, it's called a genetic ________.
8. The practice of mating closely related dogs (like siblings or cousins) to keep a bloodline pure.

2. A harmful trait (like hearing loss) is usually caused by this type of hidden allele. It only shows up if the puppy inherits two copies.
4. The observable physical traits breeders want, like the milky-white fur and pink nose.
6. The specific hearing disability frequently found in white Rajapalayams because of bad genetics pairing up.