Prezygotic Mechanisms Lead to Reproductive Isolation by Preventing the Formation

question 63

Multiple Choice

Prezygotic mechanisms lead to reproductive isolation by preventing the formation of

• A)mating pairs.
• B)fertile eggs.
• C)fertile sperm or pollen cells.
• D)somatic cells.
• E)hybrid zygotes.

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Definitions:

Coagulation

The process of blood changing from a liquid to a gel, forming a clot to stop bleeding.

Hematology

The study of blood.

Whole blood

denotes blood drawn directly from the body from which none of the components, such as plasma or platelets, have been removed.

Blood clot

A mass formed from platelets and fibrin in the blood to stop bleeding, but can be dangerous when formed inside veins or arteries obstructing blood flow.