Which of the following accurately describes the process used to make Dolly the sheep?
A. Mitochondrial DNA was taken from one female and injected into the mammary of another female.
B. A sheep embryo was produced by in vitro fertilization. At an early stage, the cells of the embryo were separated, and each cells was put into a surrogate sheep mother.
C. A mammary cell of one sheep was fused with an enucleated egg of another sheep. The resulting diploid embryo was placed in a surrogate sheep mother.
D. A set of twins — one male and one female — were mated. Since the twins had identical DNA, their lamb was a clone.
E. The sheep to be cloned was given a drug that induced the cells of her ovary to divide by binary fission. The resulting diploid eggs did not need to be fertilized.
C. A mammary cell of one sheep was fused with an enucleated egg of another sheep. The resulting diploid embryo was placed in a surrogate sheep mother.
You might also like to view...
Genetic drift is a process that has a greater effect on populations that
(a) are large. (b) are small. (c) are not affected by mutation. (d) do not go through bottlenecks.
What term describes the time it requires for exactly one-half of a given amount of a radioactive isotope of an element to decay?
A. decay time. B. decay product. C. half-life. D. half-decay. E. useful dating range.
What is an asteroid?
a. dust and small rock orbiting around the sun b. a ball of ice with a tail c. a small planet d. a small sun with weak solar emissions e. debris from a large planet
An example of insoluble fiber is ____.
A. glucose B. starch C. cellulose D. sucrose E. phospholipids