Several companies now offer DNA "banking services," where DNA is extracted from a pet and is stored so that a "replacement pet" might be produced using cloning techniques when the original pet dies. Which statement best explains why the replacement pets that are produced in this way might not look or act like the original?
a. The new animal must get the DNA from two different parents, not just one cell
b. Mutations could occur that change the cloned animal into a completely different species
c. Recombination of the cells as they are cloned will make the resulting pet act differently
d. The environment could influence how genes are expressed, changing how the animal looks and acts.
Answers: 3
Biology, 22.06.2019 14:30, briana21092005
Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
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Biology, 22.06.2019 19:00, kcarstensen59070
Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides
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Biology, 22.06.2019 22:50, jkersen8140
The word belongs in a different group than all of the other words in the list.
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