Determine Whether the Following Is Always True or Not Always

question 20

Short Answer

Determine whether the following is always true or not always true. Given reasons for your answers.
-(u × v) ·v = 0

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Definitions:

Conception

The process of becoming pregnant involving fertilization and the implantation of an embryo in the womb.

Amniocentesis

Amniocentesis is a medical procedure used in prenatal diagnosis, where a small amount of amniotic fluid, which contains fetal tissues, is extracted from the amnion or amniotic sac surrounding a developing fetus, to test for genetic conditions or other fetal infections.

Chorionic Villus Sampling

A prenatal test where a small sample of the placental tissue (chorionic villi) is taken to test for chromosomal abnormalities and certain other genetic problems.

Fetal Cells

Cells that make up the developing fetus in the womb, which possess the ability to divide and specialize into various cell types.