Heredity and evolution Worksheet-10
A. flipper of whale B. foreleg of horse
C. front leg of frog D. wings of housefly
A. XX B. YY C. XY D. None of these
A. Organic evolution B. Palaeontology
C. Palaeogeography D. Embryology
A. Lamarck B. Weismann C. Darwin D. Oparin
A. DNA B. RNA
C. DNA and proteins D. DNA and RNA
A. Wings of birds and insects.
B. Appendix in humans.
C. Forelimbs of frog, reptiles, birds and humans.
D. All of these.
A. TTWW B. TTww C. TtWW D. TtWw
A. our arm and a dog's foreleg
B. our teeth and an elephant's tusks
C. potato and runners of grass
D. All of these
A. a Chinese school-boy B. a chimpanzee
C. a spider D. a bacterium