What is the term for a gradual shift in gene frequencies between ...

[olgavictoria]

What is the term for a gradual shift in gene frequencies between neighboring populations?
 
  A. cline
  B. genotype
  C. phenotype
  D. cluster
  E. allele

Question 2

Which of the following is the best plan of action for a light-skinned woman of childbearing age living in the tropics and concerned about giving birth to a child with neural tube defects (NTDs)?
 
  A. using a tanning booth to give her skin accelerated protection against the sun
  B. taking vitamin D supplements
  C. drinking plenty of fluids to boost her body's ability to regulate its own temperature
  D. doing nothing, since a woman's chance of giving birth to a child with NTDs is genetically determined
  E. taking folic acid/folate supplements and protecting herself against the sun with sunscreen, clothing, and shelter

[bubulittle310@msn.cn]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: E

[olgavictoria]

Gracias!

[atrochim]

Thanks for the timely response, appreciate it