Babies that are at a low birth weight are more likely to have health problems, while women will have difficulty delivering babies with high birth weight. Together, this leads to for babies of average birth weight.
A. stabilizing selection
B. directional selection
C. artificial selection
D. disruptive selection
E. sexual selection
A. stabilizing selection
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What explains the difference between Gross and Net energy of food metabolism?
What will be an ideal response?
How are the biceps and triceps attached to the arm so that they can act in opposition?
A. The biceps are attached by tendons and the triceps by ligaments. B. Both are attached by tendons. C. The biceps are attached by ligaments and the triceps by tendons. D. Both are attached by ligaments. E. Both are attached by cartilage.
Homeotic genes are, in general, in control of _____
a. X chromosome inactivation b. formation of major body parts c. methylation of nucleotides d. dosage compensation e. sex determination
Reverse transcriptase creates a single-stranded DNA molecule that is complementary to an mRNA template
a. True b. False