The authors of the modern synthesis focused on evolutionary change within individuals
a. True
b. False
ANSWER: False
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A sign that mutation occurred in a person exposed to radiation in the aftermath of the Chernobyl disaster of 1986 was
A) acute radiation sickness in the exposed person. B) short DNA repeats in a child's genome that didn't match the size in either exposed parent. C) increased rates of asthma and allergies in the exposed people and their children. D) a child that failed an Ames test.
Which of these is false regarding atrazine?
a. It is an endocrine disruptor. b. It affects frog development and reproduction. c. Some exposed female tadpoles become masculinized. d. Some exposed male tadpoles become hermaphrodites. e. Some exposed male tadpoles develop feminized sex organs.
________ is a macromolecule containing alternating N-acetylglucosamine and N-acetylmuramic acid cross-linked by short peptide fragments.
Fill in the blank(s) with the appropriate word(s).
Trypanosoma cruzi is introduced into the body by
A) feces containing trypomastigotes contaminating a bite wound. B) the bite of a tsetse fly, which introduces the trypomastigotes into the body. C) ingesting food contaminated with the parasite. D) the bite of a sand fly that has ingested phagocytes containing the parasite. E) wearing contact lenses cleaned with contaminated tap water.