In which choice are the entries listed from smallest to largest?

An example of Nondisjunction is:

The components of semen include:

The development of a zygote into a blastula is called:

The ectoderm layer eventually develops into the:

The ovum is surrounded by the corona radiata which contains:

In humans, the _________ facilitates implantation into the uterine wall.

The human zygote goes through many cell divisions while traveling to the uterus. The zygote has ________ chromosones in each cell nucleus.

Which of the following placental hormones is a likely contributor tothe insulin resistance of the pregnancy?

The trophoblast produces _________, which maintains the corpus luteum and prevents menstruation.