Which of the following communication signals matches the animal?
a. chemical; honeybees
b. tactile; frogs
c. auditory; baboons
d. visual; frogs
e. chemical; fireflies
ANSWER: a
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Which of the following is correct regarding the blending hypothesis of inheritance?
A. It suggested that hereditary traits blended from one generation to the next B. It was possible for the blending to change the trait from one generation to the next C. It was supported by early research by Joseph Kölreuter D. It was the prevailing hypothesis of inheritance prior to Mendel E. All of the answers are correct
Comparative genomics attempts to define evolutionary relationships
Indicate whether the statement is true or false
A high level of which hormone increases the chances of having fraternal twins?
a. estrogen b. progesterone c. LH d. hCG e. FSH
Answer the following questions true (T) or false (F)
1. Agglutination tests are used to detect soluble antigens. 2. Anti-antibodies are used in indirect antibody assays. 3. Complement fixation is a more sensitive test for the presence of specific antibodies than are agglutination tests.