Up to the first ____ weeks of prenatal development, the gonads ...

[naturalchemist]

Up to the first ____ weeks of prenatal development, the gonads and genitalia of embryos are identical and undifferentiated.
 
  a. two c. six
  b. four d. twelve

Question 2

The term Barr body refers to ____.
 
  a. the inactivated Y chromosome, which becomes a dot of condensed material
  b. the typical muscular physique of adolescent girls
  c. the inactivated X chromosome, which becomes a dot of condensed material
  d. the typical muscular physique of adolescent boys

[britb2u]

Answer to Question 1

ANS: C

Answer to Question 2

ANS: C

[naturalchemist]

Gracias!

[JaynaD87]

Excellent