The domain _______ contains species that are prokaryotic?
a. Archae
b. Bacteria
c. Eukarya
d. a and b
Answer: d. a and b
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Amanda is curious to know how many chromosomes are in each somatic cell of a chicken she was relishing. She looks it up and finds that it has 78 chromosomes. Therefore, a sperm or an unfertilized egg from a chicken would contain ________ chromosomes.
A) 23 B) 39 C) 46 D) 78
The simplest hypothesis for the original function of Hox genes is that the common ancestor of bilateral animals had Hox genes that were ________
A) expressed in the development of its appendages B) scattered throughout the genome C) expressed in the canonical spatial pattern D) crucial for the development of its digestive system E) organized in multiple clusters
________ mutations decrease or eliminate gene activity
Fill in the blank(s) with correct word
A patient complains of fever, severe muscle and joint pain, and a rash. The patient reports returning from a Caribbean vacation one week ago. Which of the following do you suspect?
A) Lassa fever B) dengue C) Hantavirus hemorrhagic fever D) typhus E) yellow fever