Practice Questions

TLS Online TPP Program

#Question id: 12390

Which of the following statements is true?

#Unit 7. System Physiology – Animal

Antidiuretic hormone (ADH) increases water reabsorption from the ascending loop of Henle
Water reabsorption from the descending loop of Henle is normally less than that from the ascending loop of Henle
Sodium reabsorption from the ascending loop of Henle is normally less than that from the descending loop of Henle
Osmolarity of fluid in the early distal tubule would be less than 300 mOsm/L in a dehydrated person with normal kidneys and increased ADH levels

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TLS Online TPP Program

#Question id: 15384

#Unit 8. Inheritance Biology

A trait that appears to be dominant in one sex but recessive in the other is called:

TLS Online TPP Program

#Question id: 15385

#Unit 8. Inheritance Biology

You cross a true breeding normal corn plant with a true breeding plant with variegated seed coat and colorless endosperm. You suspect the genes are linked, so you cross one of the resulting normal offspring to a true breeding variegated, colorless plant. What are your expected results if the genes are completely linked?

TLS Online TPP Program

#Question id: 15386

#Unit 8. Inheritance Biology

You set up a mapping cross involving your favorite gene (YFG) in Neurospora and determine the following octad types: 4:4 arrangement 83; 2:4:2 arrangement 7; 2:2:2:2 arrangement 10. What is the distance between your gene and the centromere?

TLS Online TPP Program

#Question id: 15387

#Unit 8. Inheritance Biology

How might the results of Bernard Davis's U tube experiment have been different if each strain were only mutant for a single gene?

TLS Online TPP Program

#Question id: 15388

#Unit 8. Inheritance Biology

What do transduction, transformation, and conjugation have in common?

TLS Online TPP Program

#Question id: 15389

#Unit 8. Inheritance Biology

Why is tetrad analysis useful for studying genetics?