A Factor That Increases the Probability of Having a Baby

question 16

Multiple Choice

A factor that increases the probability of having a baby with Down syndrome is

• A) increased age of mother or father.
• B) parents' use of tobacco.
• C) parents' use of alcohol.
• D) a defective XY chromosome pattern.

---

Definitions:

Their

A possessive pronoun used to indicate belonging to or associated with the people or things previously mentioned or easily identified.

Then

At that time; at the time in question.

Rose

A type of flowering shrub of the genus Rosa, in the family Rosaceae, known for its beautiful and fragrant flowers which are often associated with romance and love.

It's

A contraction of "it is" or "it has," used in a sentence to make a statement or indicate possession.