Question

how many wolves suffered from spinal deformities in a normal wolf population
1 in 100
1 in 10000
1 in 1000
1 in 10

Explanation:

In a normal wolf population, spinal deformities are relatively rare. Typically, such genetic - related or other - cause deformities occur at a low frequency. Among the given options, 1 in 10000 represents a very low incidence rate which is more in line with the rarity of such deformities in a normal population.

Answer:

1 in 10000