In the S phase of meiotic interphase, each chromosome replicates, producing two copies of each allele, one on each chromatid, the homologous chromosomes segregation takes place in__

Which of the following statements is correct about the segregation of chromosomes?

a.If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase II and are identical

b. If crossing over has taken place, the two chromatids are no longer identical, and the different alleles segregate in anaphase II

c. If no crossing over has taken place, the two chromatids of each chromosome segregate in anaphase I and are identical

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#Question id: 12303

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find in a dehydrated person deprived of water for 24 hours?

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#Question id: 12304

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find after acute administration of a vasodilator drug that caused a 50% decrease in renal efferent arteriolar resistance and no change in afferent arteriolar resistance or arterial pressure? 

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#Question id: 12305

#Unit 7. System Physiology – Animal

Which of the following would be expected to cause a decrease in extracellular fluid potassium concentration (hypokalemia) at least in part by stimulating potassium uptake into the cells?

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#Question id: 12306

#Unit 7. System Physiology – Animal

 Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?

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#Question id: 12307

#Unit 7. System Physiology – Animal

If a person has a kidney transport maximum for glucose of 350 mg/min, a GFR of 100 ml/min, a plasma glucose of 150 mg/dL, a urine flow rate of 2 ml/min, and no detectable glucose in the urine, what would be the approximate rate of glucose reabsorption, assuming normal kidneys?

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#Question id: 12308

#Unit 7. System Physiology – Animal

 Which of the following statements is correct?