"Dolly" or another reproductively cloned animal is a clone of:
A) a human that contributed genes to the recombinant DNA in the animal.
B) bacteria that were used to generate the recombinant DNA in the animal.
C) an adult animal that contributed DNA to an enucleated egg.
D) the animal that donated the egg from which the clone developed.
Answer: C
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Differences in domesticated animals over relatively short periods of time most likely occur through:
A. natural selection B. artificial selection C. adaptation D. experimental selection E. evolution
In chordates, the notochord forms from the endoderm layer that is ventral to the developing digestive system
a. True b. False
Independent assortment means that the ____
a. phenotypes are often a blending of two independent genotypes b. segregation of one gene pair depends on the segregation of another gene pair c. gametes produced must be heterozygous in all cases d. segregation of one gene pair occurs as if no other gene pair was present e. phenotypic ratio in F2 will be the same for dihybrid and monohybrid crosses
Pollution affects species diversity, thus the species richness of a highly polluted stream is __________
compared with that of a nearby pristine stream. a. low b. high c. no different d. more dense e. complex