Suppose That Hair Color Is a Single-Gene Trait and That

question 26

Multiple Choice

Suppose that hair color is a single-gene trait and that dark hair is dominant and blonde hair is recessive. Also, suppose that Terry's mother has dark hair and his father has blonde hair. If Terry has blonde hair, we would ______ Terry's phenotype for hair color and would ________ Terry's genotype for hair color.

• A) know; not know
• B) not know; know
• C) know; know
• D) not know; not know

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Definitions:

Ambrosia

In mythology, it is the food or drink of the gods, thought to confer immortality, but in a general context, it refers to something very pleasing to taste or smell.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and moves away from the ridge, contributing to continental drift.

Subduction

When tectonic plates converge, the movement of one plate beneath another into the mantle is referred to as subduction.

Continental Margins

The zones of the ocean floor that separate the thin oceanic crust from thick continental crust, including the continental shelf, slope, and rise.