Figure 9.17 shows a cross between a tabby cat and a tan cat. What is the probability of offspring with black fur? Tabby fur? Tan fur?

haploid cells;

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands