Edgar is experiencing severe back pain that has no identifiable physical cause. Edgar's pain disorder would be classified as a(n) __________ disorder

___________ are characteristics that are associated with the development of the organs and structures of the body that directly relate to reproduction

a. Primary sex characteristics c. Adolescence b. Secondary sex characteristics d. Puberty

Assume that eye color is a single gene trait and that brown eyes is a dominant allele and blue eyes is a recessive allele

If Harry's mother and father both have brown eyes and are both heterozygous on this trait, what is the probably that he will have brown eyes, too? a. 100% b. 75% c. 50% c. 25%