There are 300 people in a population, 380 alleles that are recessive. What is the frequency of recessive alleles, and how many individuals will be heterozygous?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

What is the similarities and differences between bacteria and eukaryote?

Name 3 injuries and two diseases that affect the skeletal system.