What key feature of chimpanzee tool use have anthropologists identified?
What will be an ideal response?
Answer: Chimpanzees are highly intelligent; mothers have been seen teaching their young to use tools; which tools are used and for what purposes varies from location to location.
You might also like to view...
Which is a true statement regarding the size of PCR products?
A. Since the number of DNA products extends beyond each primer with each cycle, when PCR is completed, the majority of products are of various sizes. B. Since the number of DNA products ending exactly between both primers increases with each cycle, when PCR is completed, the majority of products are of similar size. C. Since the length of primers increases with each cycle, when PCR is completed, the majority of products are of various sizes. D. None of the choices are correct.
A deoxyribonucleotide is composed of:
A. a nitrogenous base and a deoxyribose. B. a nitrogenous base, a deoxyribose, and a phosphate group. C. a nitrogenous base, a ribose, and a phosphate group. D. a nitrogenous base and a ribose. E. a deoxyribose and a phosphate group.
(a) In a three-point mapping experiment, which three general classes of offspring are expected (assuming crossovers occur)? (b) How many different genotypic classes are expected?
What will be an ideal response?
One of the main obstacles to successful cloning of sheep, apparently overcome by Wilmut et al., was to:
a. find an adult nucleus that was likely to work. b. synchronize the cell cycles of the donor cell and the egg cell. c. enucleate the donor cell. d. have the ability to culture cells in the laboratory. e. recognize that the nucleus from one sheep cell may contain different genetic information than the nucleus of another cell from the same animal.