What Is Reliability and How Is It Assessed

question 20

Essay

What is reliability and how is it assessed?

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays and distinctive physical features.

Nondisjunction

An error in cell division that results in daughter cells with an incorrect number of chromosomes, leading to genetic disorders such as Down syndrome.

Chromosome 21

One of the 23 pairs of chromosomes in humans, with Down syndrome resulting from an extra copy of this chromosome.

Monosomy

Chromosome condition in which a diploid cell has one less chromosome than normal; designated as 2n − 1.