Which of the following is the correct order of structures through which sperm pass during an ejaculation?
A) epididymis, vas deferens, ejaculatory duct, urethra B) urethra, epididymis, vas deferens, ejaculatory duct C) seminiferous tubules, vas deferens, epididymis, urethra D) epididymis, ejaculatory duct, urethra, vas deferens
A female lizard is kept isolated in a zoo for five years. Then, to everyone's surprise, she lays four viable eggs that hatch to produce offspring that are genetically identical to her. What type of reproduction most likely occurred?
A) sexual B) budding C) fission D) parthenogenesis
An inactivating mutation in the progesterone receptor gene would likely result in ________.
A) the absence of secondary sex characteristics B) the inability of the uterus to support pregnancy C) enlarged and hyperactive uterine endometrium D) the absence of mammary gland development