X shaped structure made of dna and proteins

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla