Genetic counselors are available for diagnosing some diseases, and for helping in family planning. If a genetic counselor examines a pedigree chart and notices an occurrence of a disease in every generation, she has evidence that the disease is caused by

A. an autosomal dominant disorder.
B. a chromosomal abnormality.
C. having an extra set of chromosomes.
D. an autosomal recessive disorder.
E. a new reoccurring mutation.


A. an autosomal dominant disorder.

Biology & Microbiology

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The ____ is a large branched artery that leads to all body regions except the lungs

a. pulmonary artery b. coronary artery c. aorta d. superior vena cava e. inferior vena cava

Biology & Microbiology

What digestive hormone stimulates gall bladder contraction? 

A. insulin B. gastrin C. secretin D. gastric inhibitory peptide E. cholecystokinin

Biology & Microbiology

Glycogen is a polysaccharide used for energy

storage by a. animals. b. plants. c. protistans. d. bacteria. e. archaea.

Biology & Microbiology

Abnormal epigenetic patterns of DNA ____________________ are associated with many types of cancer, and the

removal of ____________________ groups can activate genes involved with cell growth and can increase genomic instability. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology