An Ouchterlony Immunodiffusion Assay Is Set Up and a Line

question 25

Multiple Choice

An Ouchterlony immunodiffusion assay is set up and a line of precipitation is seen forming between the antigen and antibody wells.The lines of precipitation formed by two adjacent antigen wells cross each other,forming an X.The reaction described is called:

• A) identity
• B) non-identity
• C) partial identity

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Definitions:

Polyploidy

The condition of having more than two complete sets of chromosomes in an organism, leading to greater genetic variation and adaptations.

Nondisjunction

Nondisjunction is an error during cell division in which chromosomes fail to separate properly, leading to gametes with an abnormal number of chromosomes.

Meiosis

A form of cell division that reduces the chromosome number by half, resulting in four daughter cells, each with a unique set of chromosomes.

Chromosomal Inversion

A chromosome rearrangement where a segment of a chromosome is reversed end to end, which can lead to genetic disorders or differences if it disrupts a gene or alters gene regulation.