Brent is ten months old. When his mother leaves, Brent with ...

[crobinson2013]

Brent is ten months old. When his mother leaves, Brent with Grandma so that she can go to her part-time job, Brent cries. Brent is displaying
 
  a. signaling behavior. c. separation anxiety.
  b. display rules. d. stranger protest.

Question 2

Although eye color is typically considered to be determined by dominant-recessive allelic forms of a single gene, other genes may influence it as well. In this case, eye color may be considered a _________ trait.
 
  a. phenotypic c. heterozygous
  b. polygenic d. codominant

[ghepp]

Answer to Question 1

C

Answer to Question 2

B

[crobinson2013]

Excellent

[Joy Chen]

Gracias!