1-89Mark Feels the Need to Tap Everything Within His Arms

question 123

Multiple Choice

1-89.Mark feels the need to tap everything within his arms reach twice.He doesn't have any particular thoughts associated with this,he just becomes anxious if he doesn't do it,because "something bad might happen." Mark

• A)does not have obsessive compulsive disorder.
• B)has obsessive compulsive disorder.
• C)has an unusual type of specific phobia.
• D)has no disorder.

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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.