Birth Defects 3.01

An infant whose mother had X-rays during pregnancy was diagnosed with cancer. Which influence on development is this?

• Environment
• Growth
• Heredity
• Self-concept

Which is an example of a hereditary influence on development?

• Devon’s mother had Rubella causing Devon to be mentally disabled
• Priscilla was born with a sexually transmitted disease.
• Rita was born addicted to drugs.
• Robert’s father had weak muscles as a result of muscular dystrophy, and Robert has the same problem

Which is an example of a hereditary influence on development?

• Devon’s mother had Rubella causing Devon to be mentally disabled
• Priscilla was born with a sexually transmitted disease.
• Rita was born addicted to drugs.
• Robert’s father had weak muscles as a result of muscular dystrophy, and Robert has the same problem

An infant received from his mother’s genes a condition called hemophilia which makes it difficult for him to stop bleeding when he is injured. Which influence on development is this?

• Environment
• Growth
• Heredity
• Self-concept

Fetal alcohol syndrome may result in a child when:

• he/she has been exposed to alcohol while in the womb.
• he/she is exposed to X-rays or other sources of radiation.
• he/she receives a defective dominant gene from the father.
• he/she receives defective recessive genes from both parents.

Which is an example of an environmental influence on development?

• Randy has sickle cell anemia which often causes him to be tired.
• Stacy’s mother smoked during pregnancy; Stacy was born prematurely and was very small.
• Tommy had an extra chromosome and has Down syndrome.
• Wayne’s body cannot process certain proteins since he has Tay-Sachs disease.

Thomas’s mother had chicken pox during the first six months of her pregnancy. Thomas has scarring of the skin, a limb defect, and eye problems. Which influence on development is this?

• Environment
• Growth
• Heredity
• Self-concept

When does a baby have sickle cell anemia?

• When he/she is born with 21 chromosomes
• When he/she receives a defective dominant gene from the mother
• When he/she receives defective recessive genes from both parents
• When his/her brain is injured before or during birth

A preschooler’s mother was exposed to cats during her pregnancy, and the child has toxoplasmosis. Which influence on development is this?

• Environment
• Growth
• Heredity
• Self-concept

When is a baby likely to have Tay-Sachs disease?

• When he/she has been exposed to harmful substances
• When he/she is exposed to X-rays or other sources of radiation
• When he/she receives a defective dominant gene from the father
• When he/she receives defective recessive genes from both parents