Child Dev, Birth Defects

Each mature sperm and ovum cell contributes:

• 46 chromosomes

• 13 chromosomes

• 23 chromosomes

• 26 chromosomes

Weaker genes are known as:

• Recessive genes

• need two to pass on the characteristic

• Will only produce a trait when passed by both parents at the same time.

• All of the above

STD's/STI's can be

• transferred to the unborn baby

• can influence the development of the baby

• can increase the risk of Down Syndrome

• A & B

• All of the above

If the age of the mother is over 35, there is in increased risk of:

• Down Syndrome

• Spina Bifida

• Hemophilia

• PKU

Appropriate weight gain during pregnancy is:

• 4-10 lbs.

• 14-20 lbs.

• 24-30 lbs.

• 34-40 lbs.

Spina Bifida

• can occur in unborn baby before the mom knows she is pregnant.

• can be prevented by taking Folic Acid.

• should be taken before becoming pregnant.

• All of the above.

Which are genetic birth defects?

• FAS, PKU, and Down Syndrome

• Muscular Dystrophy, PKU. and Down Syndrome

• STI, FAS, and PKU

Which birth defects can be both genetic and environmental?

• Cleft palate, Cerebral Palsy, Spina Bifida

• FAS, PKU, and STI

• Cleft Palate, FAS & PKU

Congenital disorder of movement, muscle tone, or posture.

• PKU

• Spina Bifida

• Cerebral Palsy that can be caused by a brain injury during birth.

FAS is caused by:

• smoking during pregnancy

• Alcohol consumption

• overexposure to pollutants.

• exposure to Xrays