The first genetic trait described in humans was ____
a. albinism
b. dwarfism
c. Marfan syndrome
d. multiple sclerosis
e. brachydactyly
e
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Depending on their environments, animals may lose electrolytes (select all correct choices):
A. across the gills. B. in sweat. C. in urine. D. in feces. E. across the skin.
In Arabidopsis the genes TRYPTYCHON and STICHEL are involved in determining
a. how closely trichomes will develop to each other. b. whether or not trichomes are formed. c. which side of a leaf will have trichomes. d. how many branches a trichome will have. e. cell division within trichomes.
The adrenal medulla is closely allied with this system?
A. True only for the sympathetic division B. True only for the parasympathetic division C. True for both divisions
The first half of the menstrual cycle is know as the _______ phase.
Fill in the blank(s) with the appropriate word(s).