This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Whether a fetus will be born with Down syndrome is related to a. the age of the mother at the ... (Read 67 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jun 22, 2018
Whether a fetus will be born with Down syndrome is related to
 
  a. the age of the mother at the time of pregnancy.
  b. the presence of specific amino acids in the mother's diet.
  c. overexposure to toxins during pregnancy.
  d. ingestion of drugs and alcohol by the father prior to conception.
  e. the uterine environment during pregnancy.

Question 2

The mental retardation shown in Down syndrome is caused by
 
  a. the absence of the 21st chromosome.
  b. a buildup of waste products in the neurons of brain.
  c. a genetic error involving a missing vital enzyme.
  d. the presence of an extra 21st chromosome.
  e. an inherited faulty gene.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: a. the age of the mother at the time of pregnancy.

Answer to Question 2

Answer: d. the presence of an extra 21st chromosome.


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Jun 22, 2018
Gracias!

  • Member
  • Posts:
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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.

Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial Ectopic pregnancies. (a) An ectopic pregnancy may occur in any of the locations shown. Interstitial
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
A schematic of a Stanadyne diesel fuel injection pump assembly showing all of the related ... A schematic of a Stanadyne diesel fuel injection pump assembly showing all of the related ...
Serotonin syndrome (SES) Serotonin syndrome (SES)
The position of the fetus is first determined by ultrasound The position of the fetus is first determined by ultrasound
Chromosomal involvement and translocation in familial Down syndrome Chromosomal involvement and translocation in familial Down syndrome
Video: Introduction to Insulin

For a complete list of videos, visit our video library