Wildlife biologists use methods which in order to control the brown tree snake population on Guam.
A. anesthetize the snakes with acetominophen in rats
B. All of the answer choices are correct.
C. capture and kill the snakes, increasing death rates
D. release sterilized males to compete with wild fertile males
E. use specially trained dogs to prevent spread to other islands
B. All of the answer choices are correct.
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A fertilized egg implants when it becomes a ______.
A. morula B. corpus C. placenta D. blastocyst
Recombinant chromosomes have a mix of paternal and maternal alleles due to
a) random fertilization. b) linkage. c) independent assortment. d) crossing over. e) mutation.
Prader-Willi syndrome and Angelman syndrome are both caused by the same genetic deletion on human chromosome 15, but they have very different phenotypes. Whether one or the other syndrome occurs depends upon which parent provided the chromosome with the deletion. What is this pattern of inheritance an example of?
a. sex-linked inheritance b. cytoplasmic inheritance c. genomic imprinting d. uniparental inheritance
What is active transport?
A) Movement of molecules into or out of a cell down a concentration gradient B) Rapid movement of molecules in a solution C) Movement of molecules into or out of a cell against a concentration gradient D) Movement of molecules into or out of a cell using special proteins and not requiring an expenditure of energy E) Diffusion of molecules within a cell