First time crossing over was observed in ___________

Related Mcqs:

Immunization by vaccination was first introduced by?

A. Fleming in 1945 B. Florey & Chain in 1975 C. Flore & Chain in 1795 D. Edward Jenner in 1795...

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?

A. Environmental biologist B. Paleontologist C. Marine biologist D. Social biologist...

Panting is a representative of which mechanism?

A. Pigmentation. B. Respiration. C. Evaporative cooling. D. Excretion....

Rose is an example of____________?

A. Hydrophytes B. Mesophytes C. Xerophytes D. Halophytes...

In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________?

A. Endodermis B. Mesophyll C. Chitin D. Epidermis...