Chapter 4

Question 1

characteristics of each of the six basic patterns of inheritance

Answer 1

1.)Autosomal recessive: rare traits, most affected individuals have unaffected parents.
The trait is expressed in both males and females. All children of affected parents are affected.
2.)Autosomal dominant: heterozygous have an abnormal phenotype.
3.)X-linked dominant: affected males produce affected daughters but no affected sons.
4.) X-linked recessive: passed down through the x gene
5.) Y-linked: only occurs in males
6.) Mitochondrial Inheritance: passed from mother to child never father to child

Question 2

Autosomal Dominant Example

Answer 2

Marfan Syndrome

Question 3

Marfan Syndrome

Answer 3

Affects the skeletal system, cardiovascular system, and eyes.

Question 4

Autosomal Recessive Example

Answer 4

Cystic Fibrosis

Question 5

Cystic Fibrosis

Answer 5

a genetic disorder that affects the body’s mucus-producing glands

Question 6

X-linked Recessive Example

Answer 6

Color Blindness and Muscular Dystrophy.

Question 7

Color blindness

Answer 7

Defective color vision by reduction or absence of visual pigments

Question 8

Muscular Dystrophy

Answer 8

group of genetic diseases associated with w/progressive
degeneration of muscle tissue.