People with Klinefelter syndrome have ________ chromosome constitution.

A) XXY

B) XY

C) YO

D) XXX


A) XXY

Biology & Microbiology

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Which of the following diseases is not caused by viruses?

A. smallpox B. polio C. warts D. diabetes E. influenza

Biology & Microbiology

Each of the following are denaturing agents except ________.

A. high pH B. high temperature C. low pH D. low temperature

Biology & Microbiology

A genetic disorder that involves impaired

blood clotting is

a. leukemia. b. sickle cell anemia. c. hemophilia. d. atherosclerosis. e. hypertension

Biology & Microbiology

For most species that exhibit sexual dimorphism the

selection of a mate is the responsibility of the a. male. b. parents. c. female. d. larger individual, no matter the species. e. more colorful individual.

Biology & Microbiology