The Union of Two Sets Is a Set That Contains

question 3

True/False

The union of two sets is a set that contains only the elements that appear in both sets.

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Definitions:

Embryonic Stage

The period in prenatal development from the second to the eighth week after fertilization, during which major organs and structures of the organism begin to develop.

Fetal Stage

The developmental period in pregnancy from the ninth week after fertilization until birth, when significant growth and maturation of the fetus occur.

Phenotype

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Genotype

The underlying combination of genetic material present (but not outwardly visible) in an organism.