Given the inheritance pattern of coat color in rats described in Problem 8, predict the genotype and phenotype of the parents that produced the following F1 offspring: (a) 9> 16 gray: 3> 16 yellow: 3> 16 black: 1> 16 cream; (b) 9> 16 gray: 3> 16 yellow: 4> 16 albino; (c) 27> 64 gray: 16> 64 albino: 9> 64 yellow: 9> 64 black: 3> 64 cream.

15 hundred

Explanation:

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).