What is the term used for the elements and compounds before a chemical reaction takes place?

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Arepair man charged $93.06 the price included 2 hours of labor and 40 service charge how much does the repairmen charge per hour for labor?

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%