The human has __________ sets of autosomal
chromosomes. Fill in the blank(s) with the appropriate word(s).
Answer: 22
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Two species of tree frogs that live sympatrically in the northeastern United States differ in ploidy: Hyla chrysoscelis is diploid, and Hyla versicolor is tetraploid. The frogs are identical in appearance, but their mating calls, which females use to find
mates, differ. Which difference most likely evolved first? A) polyploidy B) difference in mating calls C) Polyploidy and different mating calls must have evolved at the same time.
The membranous sac enclosing the glomerulus of a mammalian kidney is called:
A. Bowman's capsule. B. the nephron. C. the renal pyramid. D. the medulla. E. the renal pelvis.
What is responsible for the large surge of progesterone in the menstrual cycle?
a. the maturation of the follicle b. the surge in estrogen c. the surge in LH d. the release of the egg e. the formation of the corpus luteum
Homo sapiens is the name of a species. Homo is the name of a genus. Hominidae is the name of a family. Primate is the name of an order. Mammal is the name of a:
a) class. b) phylum. c) variety. d) kingdom. e) None of the above is correct.