Fertilization Process: From Sperm to Zygote

What is the primary function of the foramen ovale and ductus arterioles in the infant's heart?

What is the main component of colostrum that provides immunity to the infant?

What is the term for the expression of a gene's effect on an organism's physical appearance?

What is the term for an individual who carries a recessive allele that can be passed on to their offspring?

What is the process by which the uterus returns to its pre-pregnancy size after birth?

What is the primary function of brown fat in the infant?

What happens to the majority of sperm during fertilization?

What is the process called when the sperm releases enzymes to penetrate the corona radiata and zona pellucida?

What is the layer that surrounds the embryo and is filled with fluid for protection?

What is the term for the zygote and associated membranes moving to the uterus?

What is the percentage of blastocysts that fail to implant in the uterus?

What is the term for the primitive excertory duct that will become part of the urinary bladder?

What is the process called when the cells of the embryonic disc become three layers?

What is the purpose of the yolk sac during embryonic development?

What is the term for the indentation in the embryonic disc where new cells travel to form endoderm or mesoderm?

When is the placenta fully developed and functional?

What substances cross the placenta through active transport?

When does sexual differentiation begin?

What is the purpose of relaxin during fetal development?

Why is progesterone important during fetal development?

What is the normal caloric intake for a pregnant woman during the 1st trimester?

What is the purpose of oxytocin during childbirth?