If the Gene for Blue Eyes Is Recessive, and If

question 8

Multiple Choice

If the gene for blue eyes is recessive, and if John's mother and father both have blue eyes, we know that John:

• A) will be homozygous on the eye color trait
• B) will be heterozygous on the eye color trait
• C) will have a 50% chance of having blue eyes
• D) will have a 25% chance of having blue eyes

---

Definitions:

Great Plains

A broad expanse of flat land, much of it covered in prairie, steppe, and grassland, that extends across the United States and Canada.

Crust Thickness

The measurement of the Earth's outermost layer's depth, varying between oceanic and continental locations.

Continental

Refers to phenomena or features associated with the continents, in contrast to oceanic aspects.

Oceanic

Pertaining to the ocean, especially the vast, deep areas beyond the continental shelf.