A pure line dominant plant has height of 100 cm while pure line of recessive plant has 20 cm. If one dominant gene contribution is 8 cm, what is number of QTL control plant height?

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#Question id: 3452

#11. Evolution and Behavior

Which of the following is advantage of group living?

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#Question id: 11998

#10. Ecological Principles

Of the following examples of ecological effect leading to an evolutionary effect, which is most correct? 

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#Question id: 24240

#Aptitude

The competitive civil-service system is designed to give candidates fair and equal treatment and to ensure that federal applicants are hired based on objective criteria. Hiring has to be based solely on a candidate’s knowledge, skills, and abilities (which you’ll sometimes see abbreviated as ksa), and not on external factors such as race, religion, sex, and so on. Whereas employers in the private sector can hire employees for subjective reasons, federal employers must be able to justify their decision with objective evidence that the candidate is qualified.

The paragraph best supports the statement that

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#Question id: 438

#1. Molecules and their Interaction Relevant to Biology

A reaction that best serves as a control point for regulation ________.

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#Question id: 23379

#Aptitude

The aspect ratio of TV screen is: