A major disadvantage with current gene therapy techniques using viral vectors is the possibility of an immune response against the virus
Indicate whether the statement is true or false
TRUE
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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A
B. B
C. C
D. D
E. E
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The essence of meiosis is that
a. gametes receive one copy of each member of each pair of homologous chromosomes. b. diploid gametes are formed. c. each gamete receives one member of each pair of homologous chromosomes. d. haploid gametes are formed. e. each gamete receives one member of each pair of homologous chromosomes, and haploid gametes are formed.
Examples of two micronutrients are:
A) P Fe B) K Mn C) Ca P D) Fe Mn
Which of the following is the best definition of "empty magnification"?
A. An image is magnified so much resolution and contrast are lost. B. A specimen is so lacking in color it cannot be observed on a light microscope. C. A magnified specimen is so small it cannot be resolved on a light microscope. D. The background on the field is almost totally black. E. A magnified image has lots of empty space around a small object.