A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to
produce new skin cells. After ten successive divisions, how many chromosomes will the
basal cell have?

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical?

Due tonight 10 points will mark brain

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing