The Fact That Exposure to a Teratogen During the Period

question 33

Multiple Choice

The fact that exposure to a teratogen during the period of the zygote often leads to a spontaneous abortion (miscarriage) while the same exposure during the period of the fetus can lead to minor defects of bodily structures or systems demonstrates that

• A) ​the impact of teratogens depends on the genotype of the organism
• B) ​the impact of teratogens changes the course of prenatal development
• C) ​different teratogens affect different aspects of prenatal development
• D) ​the impact of a teratogen depends on the amount, or dose, of the teratogen

---

Definitions:

TSX

The Toronto Stock Exchange, which is the largest stock exchange in Canada, trading Canadian securities.

Dealer Market

A financial market mechanism in which buyers and sellers execute transactions through dealers who buy and sell for their own accounts.

Over-the-counter

Financial transactions conducted directly between parties outside of formal exchanges.

Secondary Market

The secondary market is where investors buy and sell securities they already own, such as stocks and bonds, to other investors or traders, after the initial issuance in the primary market.