A cloned mammal is made by removing the DNA from the unfertilized egg of an egg donor, replacing it with DNA from a cell of a mature animal, and then implanting that cell into the uterus of a surrogate mother. The cell then divides and behaves as if it were a regular embryo. Answer the following question regarding a clone.Of whom is the baby a clone?
A. Surrogate mother
B. Egg donor
C. DNA donor
D. It depends on whether it is male or female.
Answer: C
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The method of reasoning that uses construction of general principles by careful examination of many specific cases is called:
A. experimental reasoning. B. theoretical reasoning. C. inductive reasoning. D. hypothetical reasoning. E. deductive reasoning.
The Treponema pallidum of syphilis can be transmitted by
A. sexual or oral contact. B. contact with contaminated objects. C. clothing. D. the fecal-oral route.
In animal cells, ____ is/are usually a one-way path
a. replication b. translation c. transcription d. differentiation e. replication and translation
Which of the following is True concerning sexual selection?
A. Sexual selection always produces showy males. B. The results of sexual selection always increase the risk of predation. C. Hermaphroditic species use sexual selection to determine which sex to be during reproduction. D. Sexual dimorphism can indicate sexual selection.