The posterior pituitary gland secretes a hormone that stimulates the pregnant uterus to contract during labor. this hormone is

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot

Cloning an individual usually produces orangisms that (1) contain dangerous mutations (2) contain identical genes (3) are identical in appearance and behavior (4) produce enzymes different from the parent