Species I is diploid (2n =4) with chromosomes AABB; related species II is diploid (2n = 6) with chromosomes MMNNOO .Which of the following chromosome  in allotriploid individuals?

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#Question id: 5036

#Unit 5. Developmental Biology

 The experiments of Spemann and Mangold first defined what feature of amphibian embryos?

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#Question id: 12381

#Unit 7. System Physiology – Animal

 A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.

What is the approximate plasma volume?

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#Question id: 1401

#Unit 4. Cell Communication and Cell Signaling

Which of the following are proto-oncogenes?

a. fos               b. myc             c. p53              d. ras               e. Rb

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#Question id: 23584

#Unit 13. Methods in Biology

Which of the following statements is true concerning sticky ends?

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#Question id: 19893

#Unit 12. Applied Biology

Which one of the following sensors converts the light into an electronic signal?