Sexual reproduction is responsible for

the great variety observed in organisms

creating many of the same offspring

non of the genetic variations observed in nature

copying cells

What is the primary goal of human communities?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna