How are association studies different from the typical studies, which attempt to link a DNA marker to
a trait?
A. Different types of DNA markers are employed.
B. More DNA markers are analyzed simultaneously.
C. Unrelated individuals are studied rather than families.
D. Much larger family groups over more generations are studied.
E. A broader description of the trait is employed.
C
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Mammalia, the taxon that includes all mammals, is ____ because all mammals are the descendants of a common
ancestor.
a. biphyletic b. monophyletic c. polyphyletic d. homoplastic e. paraphyletic
In humans, germ cells are located in the
A. ovaries and bone marrow. B. ovaries. C. bone marrow. D. testes and ovaries. E. testes.
Convert 0.75 g to mg.
A. 75 B. 750 C. 7.5 D. 7500
Which statement about lampbrush chromosomes is incorrect?
A) Looped out regions are active in RNA synthesis. B) The loops consist of two DNA helices, whereas the axis consists of a single DNA helix. C) They are meiotic chromosomes. D) More DNA is looped out from the axis than is required for a single gene. E) Instead of being condensed, they are extended.