If an egg cell contains 10 chromosomes, how many would be found in the zygote after fertilization

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

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 main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian