Homology is exhibited by :

Homologous organs exhibit :

Homologous organs exhibit :

Homologous Series

Choose the correct statement with reference to organic evolution. I. Flippers of whale and wing of bat exhibit analogy. II. Wing of butterfly ,and wing of bird exhibit homology. III. Organs with dissimilar structure are called analogous organs. IV. Organs with similar structure and origin arc called homologius organs.

Two alleles of a gene are located on homologous sites on non homologous chromosomes.