Cultivated Wheat Is Descended from Three Distinct Species,each with a Diploid

question 42

Multiple Choice

Cultivated wheat is descended from three distinct species,each with a diploid set of 14 chromosomes.Thus,it is

• A)an allotriploid with 21 chromosomes.
• B)an allotriploid with 42 chromosomes.
• C)an allohexaploid with 84 chromosomes.
• D)an allohexaploid with 42 chromosomes.
• E)an autotetraploid with 28 chromosomes.

---

Definitions:

Adjusted Coefficient

A modified version of a coefficient that accounts for the complexity of the model or for variables not included in the model.

Independent Variables

Factors in a study or experiment that are intentionally changed or grouped to determine their impact on outcome variables.

Regression Models

Statistical methods used to predict the value of a dependent variable based on the values of one or more independent variables.

Reduced Model

In statistical analysis, a simplified model that removes nonsignificant variables while keeping the model's integrity.