Answer:
Use of a drug selection eliminates those stem cells with nonhomologous recombination products. (mouse)
Viral vectors, microinjection, T-DNA, electroporation, and biolistic transfer. (fruits and veggies)
Used a nucleus from a terminally differentiated cell type. (sheep)
Created using constituitively expressed DNA from genetically unrelated species. (fish)
^^^ ANSWERS ARE IN PARENTHESES ^^^
The outermost layer of the Earth is called the crust.
Answer:
C. Oxygen concentration decreases as altitude increases
Explanation:
Higher altitudes have lower levels of oxygen and decreased air pressure.
YYgg is an example of a genotype.
because genotype is the genetic makeup and phenotype is the physical appearance
If two mice both have grey fur, similar body shapes, and live in the same area, they would likely have been considered the same species by Linnaeus when he first developed his system of classification in the early 1700's. What could be done today, that Linnaeus could not do, is we would compare gene or protein sequences between the two mice. This will help us determine more clearly if they are the same species.
The answer would be letter A.
