Author Question: A 40-year-old woman has a greater probability of giving birth to a child with Down syndrome than a ... (Read 109 times)

melly21297 · **on:** Jun 19, 2018

A 40-year-old woman has a greater probability of giving birth to a child with Down syndrome than a 25-year-old woman. This is because the 40-year-old woman is more likely to ___________.

a. produce a flawed egg due to body aging, leading to chromosomal abnormalities
b. have eggs that suffer genetic mutations, leading to recessive illnesses
c. experience more exposure to harmful environmental influences, leading to faulty cell division
d. fail to produce eggs rapidly enough, leading to eggs that are not fully developed at the time of ovulation

Question 2

Marjorie is in her seventh month of pregnancy with her first child. Which of the following is true regarding the childs development?

a. It started having measurable REM sleep about three months ago.
b. It has not yet had any exposure to food preferences.
c. It is already within the range of a full-term birth.
d. It can hear and recognize Marjories voice.