Which pieces of evidence would be considered the best for establishing biological relatedness?
A) birth certificates
B) pictures from family reunions
C) testimony from relatives
D) a very close match in the DNA profile
Answer: D
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Many insects make larvae that are very different from the adults. What do you think are advantages of this system? Check all that apply.
_____ Adults and offspring would not compete for food sources. _____ Adults and offspring would not be vulnerable to the same predators. _____ Adults and offspring would not compete for potential mates. _____ Adults and offspring would not compete for habitats.
In a certain population with a mean IQ of 100, the heritability of IQ was measured at 0.6. A chapter of
Mensa in this population has an average IQ of 140. If they are otherwise typical of their population, about how many of their IQ points can be attributed to their genes? A. 60 B. 84 C. 24 D. 100 E. 40
Which of the following has a nucleoid region?
a. Animal cell
b. Prokaryotic cell
c. Virus
d. Eukaryotic cell
e. Plant cell
Viruses, Rickettsia, and Chlamydia are described as obligate intracellular parasites because they can only be propagated inside living host cells. Which of the following would be appropriate for their cultivation?
A. enriched media B. differential media C. cell or tissue cultures D. media that contains sheep red blood cells