which trait is most likely linked to having a bent wing in the fruit fly in the figure above?
a. vestigial wing
b. curved wing
c. dumpy wing
d. speck wing

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Nucleic acids offer variability because they contain alternate forms of genes called .

How many copies of genes do gametes have?