In Appellia, it takes 10 units of resources to increase its output of sugar from 12 tons to 13 tons, but 11 units of resources to increase output from 13 tons to 14 tons, and 12 units of resources to increase output from 14 tons and 15 tons, and so on. The need for increasing resources is an example of .

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?