The kind of natural selection in A and B are

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#Question id: 1650

#Unit 4. Cell Communication and Cell Signaling

Recombination of V, D, and J Ig gene segments:

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#Question id: 5946

#General Aptitude

Today is Sunday. After 61 days it was?

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#Question id: 2116

#Unit 2. Cellular Organization

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?

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#Question id: 17802

#Unit 9. Diversity of Life Forms

Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 18970

#Unit 8. Inheritance Biology

Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows:

                                     

Assume Hardy-Weinberg equilibrium,  the frequencies of the A and B alleles are 0.26 and 0.07, respectively. What is the frequencies of the four blood types such as A, B, AB  and O in Norway;