detecting and diagnosing genetic diseases

Question 1

Karyotype

Answer 1

photograph of all the chromosomes in a cells nucleus of a person. Organized from largest to smallest.
assess abnormalities in human fetuses.

Question 2

Amniocentesis

Answer 2

prenatal diagnostic procedure where the cells from the amniotic fluid are obtained and used to determine is abnormalities are present
invasive procedure
14-16 weeks

Question 3

Chronic villus biopsy

Answer 3

prenatal diagnosis to determine disorders with use of placental cells
10-12 weeks
less invasive

Question 4

ultrasound imagery

Answer 4

detect fetus size and stage of development and certain kinds of structural abnormalities but not genetic mutations or diseases.