Which of these species had members who moved out of Africa?
A) Homo erectus
B) Homo ergaster
C) Homo habilis
D) Homo sapiens
E) Homo sapiens and Homo erectus
Answer: E
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Given that these two gene loci are very closely linked, the phenotypic ratio in the F2 generation should be closest to
A. 1 brown eye, heavy wing veins: 2 red eye, thin wing veins: 1 brown eye, thin wing veins B. 1 brown eye, thin wing veins: 2 red eye, thin wing veins: 1 red eye, heavy wing veins C. 3 red eye, thin wing veins: 1 brown eye, heavy wing veins D. 1 brown eye: 1 red eye: 1 heavy wing veins: 1 thin wing veins Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about genetic linkage? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Angelman syndrome is associated with a deletion in a paternal chromosome or presence of two maternal chromosomes.
Answer the following statement(s) true (T) or false (F)
Most of the mass of the solar system is made up of the elements
a. carbon and hydrogen. b. oxygen and hydrogen. c. helium and hydrogen. d. nitrogen and hydrogen. e. nitrogen and carbon.
Crop plants modified to be resistant to insect damage produce Bt toxin from a (bacterial/fungal/synthetic) gene
What will be an ideal response?