Sexual selection occurs when a female chooses a male that _____.
A. shares all resources
B. is migratory
C. provides a gift of prey
D. can be a chameleon
E. has never had a mate
Answer: C
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A cell in prophase I of meiosis has ______________ as much DNA as each of the daughter cells following cytokinesis of meiosis II
A. twice B. half C. one-quarter D. four times
____________________ involves the fertilization of the egg outside the body, followed by transfer of the embryo into a woman's uterus
Fill in the blank(s) with correct word
What characteristic relates to shifting of the foramen magnum from the base of the skull to a more anterior position?
a. changes in vision b. changes in teeth and jaws c. bipedalism d. changes in brain size and development e. behavioral changes
You just cloned a new gene from mice. Which of the following techniques would be the best choice to use if you wanted to determine the number of copies of this gene in the mouse genome?
A) Northern blot analysis B) RT-PCR C) Western blot analysis D) Southern blot analysis E) In situ hybridization