Plz help last question on my test 50.Which type of cell must be produced more frequently than the other types?

1)brain cells
2)red blood cells
3)muscle cells
4)liver cells
5)stomach lining cells

How many chromosomes are in a gold fish?

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

The science for classifying and naming organisms is known as