Sperm Pass Through Several Stages During Their Development

question 66

Multiple Choice

Sperm pass through several stages during their development. What is the earliest stage in which the cell becomes haploid?

• A) sperm
• B) secondary spermatocyte
• C) spermatogonium
• D) spermatid

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Definitions:

Ratification

The principal’s approval of an unauthorized act performed by an agent or by one who has no authority to act as an agent. Also, an approval of a contract made by a minor after reaching maturity.

Contractual Obligation

A legal duty that arises out of a contract, requiring a party to either perform or refrain from performing certain acts.

Exculpatory Agreement

A clause that says one of the parties to a contract, generally the one who wrote the contract, is not liable for any economic loss or physical injury, even if that party caused the loss or injury.

Exculpatory Clause

A clause in a contract that releases a party from liability for his or her wrongful acts. These clauses are not favored by law.