Oogenesis begins spermatogenesis begins The secretion of the hormone triggers spermatgenesis. in utero; at puberty, gonadotropin releasing hormone (GnRH) o in utero; in utero; progesterone O in early childhood; in utero; human chorionic gonadotropin (hCG) O at puberty; at puberty, gonadotropin releasing hormone (GnRH) QUESTION 25 The hemoglobin molecule can bind and transport which of the following? carbon dioxide O oxygen o hydrogen ion all of the above QUESTION 26 Which of the following would be homozygous dominant?
