In Maize,the Genes W and D Are So Tightly Linked

question 51

Multiple Choice

In maize,the genes W and D are so tightly linked that virtually no crossovers occur between them.A dihybrid W d/w D is testcrossed to w d/w d.The percent of progeny with W-/D- phenotype will be:

• A)0.
• B)25.
• C)50.
• D)75.
• E)100.

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Definitions:

Regression

A statistical method used to determine the strength and character of the relationship between one dependent variable and one or more independent variables.

Hawthorne Effect

The phenomenon where subjects alter their behavior simply because they are aware that they are being observed.

Random Errors

Errors in measurement that lead to inconsistent results, often caused by unpredictable and uncontrollable factors.

Randomized Controlled Trials

A study design that randomly assigns participants into an experimental group or a control group to measure the effect of an intervention.