In Many-To-Many Relationships in a Relational Database Design,________

question 17

Multiple Choice

In many-to-many relationships in a relational database design,________.

• A)the key of the child is placed as a foreign key into the parent
• B)the key of the parent is placed as a foreign key into the child
• C)the keys of both tables are placed in a third table
• D)the keys of both entity tables are placed in each other

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Definitions:

Homologous Chromosomes

Pairs of chromosomes in a diploid organism that have the same gene structure and sequence, inherited from each parent, which pair up during meiosis.

Sister Chromatids

Identical copies of a chromosome, joined together by a common centromere, formed during DNA replication in the cell cycle.

Metaphase II

A phase of meiosis II in which chromosomes align at the equatorial plate before being separated into the daughter cells.

Meiosis

A type of cell division that reduces the chromosome number by half, creating four unique haploid cells, essential in sexual reproduction.