How does the number of chromosomes in a gamete compare to the number of chromosomes in an organism

In any given asexually reproducing species, the chromosome number is always the same.

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

that scientist would be robert hooke