This topic contains a solution. Click here to go to the answer
|
Author Question: Down syndrome occurs when an infant: a. has an extra copy of chromosome 21. b. has at least one ... (Read 73 times) |
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Did you know?
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Did you know?
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Did you know?
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.