Which reproductive isolating mechanism is displayed in a mule, the product of a cross between a horse and a donkey?

a. mechanical isolation
b. hybrid inviability
c. hybrid sterility
d. hybrid breakdown
e. temporal isolation


ANSWER: c

Biology & Microbiology

You might also like to view...

Organisms that require increased pressure for optimum growth are called

A. osmotolerant. B. osmophilic. C. barotolerant. D. barophilic.

Biology & Microbiology

The brain and nervous system of a developing embryo can only be damaged during the very early stages of development

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

The stomach of which one of the following birds contains a gland that produces a foul smelling, yellow colored oil?

a. pelicans b. gulls c. terns d. albatrosses e. oystercatcher

Biology & Microbiology

The most common type of joint in the human body is a ____

a. synovial joint b. fibrous joint c. membranous joint d. cartilaginous joint e. hinge joint

Biology & Microbiology