The fact that Orson is extremely obese appears to be completely ...

[jc611]

The fact that Orson is extremely obese appears to be completely due to one pair of genes that he received (one from mom and one from dad). In this case, Orson's obesity is best explained by
 
  a. single gene-pair inheritance.
  b. polygenetic effects.
  c. dominant genes.
  d. sex-linked traits.

Question 2

Fraga and colleagues (2005) study on aging and RNA in identical twins found that the pattern of genetic expression
 
  a. was nearly identical in both very young and older twins.
  b. was quite different in both very young and older twins.
  c. was nearly identical in very young twins but differed in older twins.
  d. differed in very young twins but was nearly identical in older twins.

[peilian]

Answer to Question 1

a

Answer to Question 2

c