Cases of Schizophrenia

question 127

Multiple Choice

Cases of schizophrenia:

• A) result from erratic, cold, rejecting mothers.
• B) vary in severity, duration, and prognosis.
• C) occur from living in an unpredictable environment.
• D) are seldom associated with biological factors.

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Definitions:

Crossing Over

The process during meiosis where two chromosomes pair up and exchange segments of their genetic material to produce new combinations of genes.

Homologous Chromosomes

Pairs of chromosomes that contain the same types of genes but can have different alleles.

Sister Chromatids

They are identical copies of a single chromosome that are connected by a centromere. Sister chromatids are formed during DNA replication and are important for the process of cell division.

Chromosomal DNA

The DNA that constitutes the chromosomes within the nucleus of eukaryotic cells, encoding most of the genetic information of the organism.