Two Plants Are Crossed,resulting in Offspring with a 3:1 Ratio

question 33

Multiple Choice

Two plants are crossed,resulting in offspring with a 3:1 ratio for a particular trait.What does this suggest about the trait?

• A)that the parents were true-breeding for contrasting traits
• B)that the trait shows incomplete dominance
• C)that a blending of traits has occurred
• D)that the parents were both heterozygous for a single trait

---

Definitions:

R-Squared Value

A statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Points Scored

The total number of points earned by a team or individual in a competitive event.

Oxygen Uptake

The volume of oxygen absorbed and utilized by an organism or body tissues, usually within a specified period, indicating aerobic capacity.

F Statistic

A ratio used in an analysis of variance test to determine whether the means of several groups are equal.