Heredity and Genetics Answers

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Heredity refers to the __________.

A
removal of DNA from the human body
B
formation of chromosomes from DNA
C
many types of female genes
D
passing of traits from parents to children
2
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Cystic fibrosis is a disease that __________.

A
causes all those infected to live only into their teen years
B
makes it difficult to breathe
C
can be cured with proper medication
D
occurs most frequently in people of Asian descent
3

Complex diseases are caused by imperfections in multiple genes.

A
T
B
F
4

Genes are segments of a chromosome that are responsible for specific hereditary traits.

A
T
B
F
5

Amniocentesis is a test in which fluid is removed from the uterus so the baby's genetic composition can be determined.

A
T
B
F
6

Dominant traits include __________.

A
cleft chin and attached earlobes
B
dimples and attached earlobes
C
dimples and no widow's peak
D
cleft chin and free earlobes
7

The normal function of a gene is to __________.

A
encode a protein
B
prevent illness
C
mutate into other cells
D
determine personality
8

Gene therapy is a process whereby normal genes are injected to replace abnormal genes. Please select the best answer from the choices provided.

A
T
B
F
9

Sickle cell anemia is most common in people of Northern European descent.

A
T
B
F
10

Chromosomes are composed of DNA.

A
T
B
F

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