Author Question: What do Down syndrome, spina bifida, and cleft palates have in common? a. They are all caused by ... (Read 89 times)

karen · **on:** Jun 22, 2018

What do Down syndrome, spina bifida, and cleft palates have in common?

a. They are all caused by tetragons.
b. They are all congenital malformations.
c. They are all the result of recessive genes.
d. They are all preventable through proper diet.

Question 2

Congenital malformations are always

a. genetic.
b. present at birth.
c. fatal.
d. adaptive.