Which of the following refers to the ability of early hominids to walk on two feet?
A) plantigrade B) digitigrade C) bipedalism D) tetrapedalism
Answer: C
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The female fetal pig is similar to the male fetal pig in that its body
(a) has separate openings for the urinary system and the reproductive system. (b) has a common opening for the urinary system and the reproductive system. (c) has an opening for the urinary system but none for the reproductive system. (d) has an opening for the reproductive system but none for the excretory system.
When two genes on the same chromosome are located 10 map units from each other, ____ of the offspring from a
testcross for genetic linkage should have a recombinant phenotype
a. over 75% b. about 50% c. about 25% d. about 10% e. about 5%
The smallest unit of life is the _____
Fill in the blank(s) with correct word
Which structure gives rise to structures of face, neck and mouth?
a. primitive streak b. neural tube c. notochord d. pharyngeal arches
e. somites