5 Written Questions
5 Matching Questions
- embryonic stage
- a ...
- b The process in which a blastocyst becomes embedded in the uterine wall.
- c One of the 3 month long segments into which pregnancy is divided.
- d A threadlike strand of DNA located in the nucleus of every cell that carries the genes, which transmit hereditary information.
- e The second stage of prenatal development, lasting from week 3 through week 8.
5 Multiple Choice Questions
- A cylindrical structure that forms along the back of the embryo and develops into the brain and spinal cord.
- The most common chromosomal abnormality, causing mental retardation, susceptibility to heart disease, and other health problems; and distinctive physical characteristics, such as slanted eyes and stocky build.
- The pear-shaped muscular organ in a woman's abdomen that houses the developing baby.
- The final period of prenatal development, lasting seven months, characterized by physical refinements, massive growth, and the development of the brain.
5 True/False Questions
fertilization → ...
hormones → A fertilized ovum.
Apgar scale → ...
single-gene disorder → An illness that a child gets by inheriting two copies of the abnormal gene that causes the disorder.
genetic testing → A blood test to determine whether a person carries the gene for a given genetic disorder.