In some animals, such as the marsh wren, one male bird mates with several females. This is known as:
a. polygyny.
b. polyandry.
c. monogamy.
d. a dominance hierarchy.
e. codominance.
A
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Ehlers–Danlos syndrome and scurvy both are characterized by defects in
A) fibronectin. B) desmosomes. C) collagen. D) dystrophin. E) elastin.
The practice of breeding plants and animals for desirable traits, such as high crop yield, is called natural selection
Indicate whether the statement is true or false
Select the conditions that cause evolutionary change
A. Natural selection B. Gene flow C. Nonrandom mating D. Acquired characteristics E. Genetic drift F. Mutations
Which of the following sequence pairs is a palindrome?
A. 5?-TCACGT-3? 3?-TCACGT-5? B. 5?-GTTCAT-3? 3?-CAAGTA-5? C. 5?-TCCGGA-3? 3?-AGGCCT-5? D. 5?-GAATCG-3? 3?-CTTAGC-5? E. None of the paired sequences are a palindrome.