Exam 38: Reproduction and Development

Which vitamin is especially important in preventing neural tube defects in the embryo?

If sperm did not have a functional midpiece, how would they be affected?

Which strategy is the least successful method of birth control?

Detail the structures of the male reproductive system that contribute to the formation of semen. Include the substance(s) that the individual structures produce.

Ovulation is triggered primarily by ____.

Match the human developmental stage with the correct description. -after development of secondary sexual features but before adulthood

At which human developmental stage does sexual maturation occur?

Fertilization normally occurs in the ____.

The corpus luteum forms from ____.

What type of reproduction produces genetic clones of a parent?

What hormone stimulates milk production in women after birth?

Four of the five answers listed below contribute to semen. Select the exception.

The blood vessels of the umbilical cord are formed by which extraembryonic membrane?

During a human pregnancy, implantation begins at which stage?

The cervix is part of the ____.

Cells inside the seminiferous tubules that support sperm during development are the ____ cells.

Which end stage of cleavage results in a hollow ball of cells surrounded by a cavity full of secretions?

Match the developmental stage to the correct description. -this is the fertilized egg

FSH and LH are secreted by the ____.

The human body plan is set and organ formation occurs during which developmental stage?