What becomes of the polar bodies formed during oogenesis?
A. They degenerate.
B. They fertilize the egg.
C. They become the follicle cells that
surround the egg.
D. They differentiate into sperm.
E. They form the zona pellucida.
A
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During conjugation, one strand of the F factor DNA remains in the donor cell and one strand is transferred to the recipient cell
Indicate whether the statement is true or false
_____ are the closest protistan relatives of the fungi and animals
a. Stramenopiles c. Apicomplexans b. Radiolarians d. Amoebozoans
All of the following are correct statements
about sampling error, except one. Select the exception.
a. Repeating an experiment many times has the same effect on sampling error as working on a large sample. b. A large sample would help minimize sampling error. c. Sampling error is increased when a sample size is small. d. A sampling error results from a mistake made by a researcher during experimentation. e. Sampling error is the difference between results derived from testing an entire group of individuals, and results derived from testing of a subset of the group.
Mutations that arise in nature, from no particular artificial agent, are called ________
A) chromosomal losses B) induced mutations C) nutritional mutations D) spontaneous mutations E) cosmic mutations